The heart valves that do not use chordae tendineae are the semilunar valves, namely the aortic valve and the pulmonary valve.
The heart consists of four valves that ensure the unidirectional flow of blood. These valves include the atrioventricular (AV) valves, which are the mitral valve and the tricuspid valve, and the semilunar valves, which are the aortic valve and the pulmonary valve. The AV valves are located between the atria and the ventricles, while the semilunar valves are positioned at the exits of the ventricles.
The AV valves, namely the mitral valve and the tricuspid valve, are connected to papillary muscles in the ventricles by chordae tendineae. The chordae tendineae serve to anchor the valve cusps and prevent them from inverting into the atria during ventricular contraction.
On the other hand, the semilunar valves, including the aortic valve and the pulmonary valve, do not use chordae tendineae. Instead, these valves consist of three cusps or leaflets that are shaped like half-moons. They are located at the junctions between the ventricles and the major arteries (aorta and pulmonary artery). The semilunar valves open and close in response to pressure changes during the cardiac cycle, allowing blood to flow out of the ventricles and preventing backflow into the ventricles when the ventricles relax.
In summary, the semilunar valves (aortic valve and pulmonary valve) do not use chordae tendineae. Instead, they rely on their unique structure and pressure changes to ensure efficient blood flow through the heart.
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When damage occurs to the antidiuretic hormone (ADH)-producing cells in the hypothalamus from head trauma, intracranial tumors, or neurosurgery, what disorder is suggested by a large diuresis of very dilute urine
Answer:
diabeytes insupidus
Explanation:
Another name for antidiuretic hormone (ADH) is arginine vasopressin.
It is made by the hypothalamus in the brain.
It is stored in the posterior pituitary gland.
This hormone helps in regulation of the amount of water in blood.
When damage occurs to the antidiuretic hormone (ADH)-producing cells in the hypothalamus from head trauma, intracranial tumors, or neurosurgery, what disorder is suggested by a large diuresis of very dilute urine diabeytes insupidus.
A color obtained by mixing equal parts of two primary colors is a:_________________________
A color obtained by mixing equal parts of two primary colors is a secondary color.
In the world of color mixing, there are three primary colors: red, blue, and yellow. These primary colors are considered fundamental because they cannot be created by mixing other colors together. When you combine two primary colors in equal parts, you create a secondary color.
The three secondary colors are green, orange, and purple. These colors are formed by mixing equal parts of two primary colors. For example, mixing equal amounts of blue and yellow creates green, combining red and blue in equal proportions produces purple, and blending red and yellow equally results in orange.
Secondary colors are distinct from primary colors and offer a wider range of options for artistic expression and color representation. They are often used in art, design, and other creative fields to add depth, contrast, and variety to visual compositions.
In summary, when you mix equal parts of two primary colors together, you obtain a secondary color.
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Draw 2 water molecules. Label the hydrogen bonds and covalent bonds.
Answer:
Within a water molecule oxygen and Hydrogen have covalent bond.
But when one water molecule link with another it form Hydrogen bond with other water molecule's oxygen.
Explanation:
Which of the following groups of compounds is hydrophobic?
A. Carbohydrates
B. Lipids
C. Proteins
D. Nucleic Acids
The hydrophobic group of compounds among the options is B. Lipids.
Lipids are hydrophobic compounds due to their high proportion of nonpolar carbon-hydrogen (C-H) bonds. Hydrophobicity refers to the aversion of nonpolar molecules to water, as water is a polar solvent.
Lipids are primarily composed of hydrocarbon chains, which consist mainly of carbon and hydrogen atoms. The carbon-hydrogen bonds in these hydrocarbon chains are nonpolar, meaning they do not have significant positive or negative charges.
As a result, lipids do not readily interact with water molecules, and they tend to aggregate or separate from water. This behavior is observed in various lipid-based substances such as fats, oils, and waxes. In contrast, carbohydrates, proteins, and nucleic acids contain polar functional groups that make them more hydrophilic (water-loving) and interact more readily with water molecules.
Therefore the correct option is option B.
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heyy I need help do u mind helping please! the question is “The following model was used to show a molecule of methane, or CH4. Describe the number and type of each component of the molecule.”
The type of molecule is a covalent bond where the carbon has a greater affinity of the electrons than the hydrogen.
What is covalent bond?A covalent bond has been defined as chemical bond that includes the sharing of the electron pair between the atoms.The pair of each electrons has been know as the bonding pairs and the stable balance of attractive and repulsive forces in between atoms.
The properties of covalent bond has the covalent compounds have low melting points and boiling points and generally the covalent compounds does not contain the electricity. The covalent compounds are having lower enthalpies of the vaporization as well as fusion.
The covalent compounds has been easily catches the fire and are more flammable in comparison to ionic compounds.The covalent compounds are very soft as well as flexible.The physical properties of covalent compounds are that they have lower melting points and electrical conductivity.
Therefore, The type of molecule is a covalent bond where the carbon has a greater affinity of the electrons than the hydrogen.
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The tissue, at the top of this slide, is simple columnar epithelium and can be found in our intestines. Kellot OFPONSOR 7 N SIMPLE COLUMNAR Select one: True False
Name the bone seen here. Select one:
The given statement, "The tissue, at the top of this slide, is simple columnar epithelium and can be found in our intestines" is true.
The epithelial tissue found in our intestines is known as simple columnar epithelium. The simple columnar epithelium has column-shaped cells, which are elongated and taller than their width. These cells have a single nucleus and have a goblet cell that secretes mucus to lubricate the surface. It lines the gastrointestinal tract, uterus, and excretory ducts. Therefore, the given statement is true.The bone shown in the given image is the femur bone. The femur bone is the longest and strongest bone in the human body.
It is located in the thigh region and extends from the hip joint to the knee joint. The femur bone is responsible for supporting the entire weight of the body when a person is standing or walking. It is composed of the head, neck, shaft, and distal ends. The head of the femur bone fits into the acetabulum socket of the hip bone to form the hip joint. The distal end of the femur bone articulates with the tibia bone to form the knee joint.
Therefore, the given bone in the image is the femur bone.
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Which organism is the secondary consumer
Aspen--> Rabbit--> Snake--> Hawk
uhhhh....thanks, to uh whoever answers dis....yeah...
Answer:
The organism that is the secondary consumer is Snake.
The Snake is the secondary consumer because secondary consumers are animals that eat herbivores. For example, the snake eats rabbits and rabbits are herbivores.
Can anyone send me all the notes for " requirements of good health'' as it is very urgent
Answer:
ya
Explanation:
me ya me me ya me ya me vv
Fossils and sedimentary structures are good indicators of the paleoenvironments. It is up to the geologist to place the structures and fossils into context, and infer an environment or ecosystem in which they could have formed together. Answer the following questions based on depositional sedimentary structures and environments:
a) List two sedimentary environments where silt size sediment would accumulate.
b) Describe the characteristics that you could use to distinguish between beach and tidal flatsedimentary deposits.
Two sedimentary environments where silt size sediment would accumulate are estuaries and floodplains. Characteristics that can distinguish between the beach and tidal flat sedimentary deposits include grain size, sedimentary structures, and the presence of specific organisms.
Silt-size sediment, which consists of fine particles between the sizes of sand and clay, can accumulate in various sedimentary environments. Two examples of such environments are estuaries and floodplains. Estuaries are partially enclosed coastal areas where freshwater from rivers mixes with seawater. The slower water flow in estuaries allows silt-sized particles to settle and accumulate. Floodplains, on the other hand, are low-lying areas adjacent to rivers that are periodically flooded. During floods, silt-sized sediment is transported by the river and deposited on the floodplain when the water slows down.
Distinguishing between the beach and tidal flat sedimentary deposits involves considering several characteristics. Beach deposits typically consist of coarser sediments such as sand and gravel, whereas tidal flats are composed of finer sediments like silt and clay. Sedimentary structures can also provide clues; beach deposits often exhibit cross-bedding, indicating the action of waves, whereas tidal flats display horizontal bedding and ripple marks formed by tidal currents. Additionally, the presence of specific organisms can differentiate these environments. Beaches may have shells of marine organisms adapted to wave action, while tidal flats may contain burrows and traces left by organisms adapted to intertidal conditions.
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Simone cut a large blossom into several small pieces and re-wired the pieces to create small flowers. What is this technique called?
O Feathering
O Wiring
O Extending
O Pruning
Answer:
O Feathering
Explanation:
Feathering refers to the technique by which large flowers are cut into small pieces, which are then used to create smaller flowers. Feathering consists of removing the petals and wire the petals in order to create a smaller form. Carnations are a type of flower in which feathering is applied. This process was widely used by florists in the past but currently is uncommon due to the excessive time and labor involved in this technique.
What is phylogeny?
A. How species interact with each another
B. The study of cells.
C. How organisms are related through evolution.
Answer:
Hey mate......
Explanation:
This is ur answer......
C. How organisms are related through evolution...Hope it helps!
Brainliest pls!
Follow me! :)
Answer:
C. How organisms are related through evolution.
Explanation:
Phylogeny is the organisms that are related through evolution.
Name TWO potentially positive or negative impacts might the proposals have on the current recreational use of the river?
Answer: There are many positive impacts of irrigation on the environment. Among the negative impacts which appear in the mentioned spheres prevalent impacts is the danger of waterlogging and salinization of soils and waters, rise in groundwater table, spread of water born diseases, pollution of waters and many others.
Explanation: I hope this help
Yeasts are unicellular microorganisms of the fungi kingdom that can digest sugars using both aerobic and anaerobic cellular respiration. In the below experiment, what by-product of this reaction causes the balloons to expand?
Answer:
This question is incomplete as it does not contain the representation of the experiment, however, based on general understanding, the answer is:
Carbon dioxide (CO2)
Explanation:
Yeasts, as stated in this question, are living unicellular organisms that belong to the KINGDOM FUNGI. They employ both the aerobic (with oxygen) and anaerobic respiration (without oxygen) in breaking down sugars. However, both methods of cellular respiration gives off CARBON DIOXIDE (CO2) as a byproduct.
Therefore, when a yeast is placed in a balloon in accordance to this experiment and is allowed to perform respiration either aerobically or anaerobically, it gives off CO2 gas, which causes the balloon to expand.
Which of the following statements is/are correct concerning the importance of One Health in Global Health? their can be one answer or more than one! will mark brainlist if correct!!!!!!!!!!!! I MEANT TO PUT THIS UNDER HEALTH
A. The so called weak spot in the cycle of transmission of a zoonotic infection is always at the human level
B. Vaccinating humans is more cost-effective for tackling zoonotic diseases such as rabies or MERS-CoV
C. One Health brings vets and zoologists more prominently to the Global Health arena
D. The One Health approach is key to address Global Health challenges at the human-animal-ecosystem interface such as emerging zoonotic diseases
E. Epidemiological investigations based on the One Health approach analyse comprehensively the cycle of transmission of an infection to identify the so called weak spot of the system
B, D, and E are correct concerning the importance of One Health in Global Health.
What is Global Health?Global health is a field of health focused on improving the health of people worldwide. It looks at the health of populations and how health systems work, paying special attention to the most vulnerable populations. It examines how global issues such as poverty, disease, environmental degradation, and international conflict affect the health of people. Global health looks at how different cultures and countries approach health, how health problems are addressed, and how health systems are developed, funded, and improved.
Vaccinating humans is more cost-effective for tackling zoonotic diseases such as rabies or MERS-CoV. The One Health approach is key to address Global Health challenges at the human-animal-ecosystem interface such as emerging zoonotic diseases. Epidemiological investigations based on the One Health approach analyse comprehensively the cycle of transmission of an infection to identify the so called weak spot of the system.
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a smoker feels more relaxed after a cigarette partly because
Smokers usually tend to feel more relaxed after smoking a cigarette because of the chemical nicotine that is present in tobacco. The reason behind this is that nicotine has a calming effect on the brain which leads to a feeling of relaxation and calmness.
The inhalation of smoke and the exhaling act of smoking can provide some immediate feelings of relief and relaxation to the smoker. When the smoker inhales smoke from a cigarette, the nicotine travels quickly to the brain. It stimulates the release of neurotransmitters such as dopamine and serotonin. Dopamine is also known as the "reward neurotransmitter." It helps regulate the brain's pleasure and reward centers and leads to a feeling of euphoria. Serotonin, on the other hand, is responsible for regulating mood, sleep, appetite, and other bodily functions. The combination of dopamine and serotonin creates a pleasurable experience in the smoker's brain.
It is also the reason why smoking cigarettes can be so addictive. The release of these neurotransmitters makes the smoker feel relaxed, calm, and focused. The feeling of pleasure can last for several minutes, leading the smoker to want to continue smoking to feel that pleasure again.Therefore, smokers feel more relaxed after a cigarette partly because of the chemical nicotine that is present in tobacco. The nicotine stimulates the release of neurotransmitters such as dopamine and serotonin that create a pleasurable experience in the smoker's brain. It leads to a feeling of relaxation, calmness, and euphoria.
Smoking is not a healthy habit. It can cause severe damage to the human body, including various types of cancer, heart disease, and other health problems. While nicotine can create feelings of pleasure and relaxation, the long-term health risks associated with smoking are far greater than the short-term benefits. Therefore, it is better to avoid smoking cigarettes and other tobacco products to protect your health and well-being.
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malthus, an economist, made a valuable contribution to the growth of biological thought by suggestingmultiple choice question.that organisms alter their behavior in response to environmental change, resulting in acquired traits.that not all members of a population will survive and reproduce.that the earth was well over 6,000 years old.that life on earth could have descended from a common ancestor.
Malthus, an economist, made a valuable contribution to the growth of biological thought by suggesting that not all members of a population will survive and reproduce.
B is the correct answer.
Economic indicators such as the gross domestic product and surveys of consumer confidence are among the data that economists analyse. To find possible trends or predict future economic conditions, economists may do study on the availability, distribution, and reach of goods and services.
British economist Thomas Malthus is well known for his theory that human populations tend to surpass agricultural production capacity, leading to famines and other natural disasters.
By providing a justification for significant competition between individuals of the same species, Thomas Malthus' work served as an inspiration to Charles Darwin as he improved natural selection. Unsurprisingly, Malthus, a priest by profession, thought that God had created disease and hunger as natural occurrences to limit population growth.
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The complete question is:
Malthus, an economist, made a valuable contribution to the growth of biological thought by suggesting:
A. that organisms alter their behavior in response to environmental change, resulting in acquired traits.
B. that not all members of a population will survive and reproduce.
C. that the earth was well over 6,000 years old.
D. that life on earth could have descended from a common ancestor.
Define probability. Apply the term to a coin toss.
When flipping a coin, the likelihood of getting a tail is equal to the likelihood of getting a head, or 50%, hence the probability of receiving a tail is P(Tail) = P(T) = 1/2.
What is the probability to toss a coin?The likelihood of getting a head on a coin toss is P(Head) = P(H) = 1/2. There are just two outcomes that can occur when you toss a coin: a head (H) or a tail (T) (L). There is always a 50% chance of getting either head or tail when we flip a coin.
The probability to toss two coins having heads on both coins is 1/4 and there will be 16 outcomes if tossing 4 coins.
Therefore, if a coin is tossed, the probability might be either "head" (H) or "tail" (T). It is impossible to anticipate whether a coin toss will result in a "head" or "tail."
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how many calories of energy are in a gram of protein?
Answer:
they are 4 calories in each gram of protein
What are the major functions and structures of the Central Nervous System?
Describe how the human brain develops into distinct regions from a neural tube
identify the five lobes of the cerebral cortex and explain how motor and sensory functions are distributed among them
What are the basal nuclei, limbic system and reticular formation?
Describe the structures and general functions of the diencephalon, cerebellum & brainstem
Describe the structure and function of the cranial meninges
Describe the function, production and circulation of cerebrospinal fluid
What is the blood brain barrier and why is it necessary?
Describe the gross anatomy, location and cross sectional anatomical features of the spinal cord?
Identify and describe the spinal meninges and the spaces between them
What is the difference between ascending and descending tracts in the spinal cord and where are they located?
What are the major structural and functional components of a reflex arc?
Distinguish between somatic V. Visceral reflexes and monosynaptic V. Polysynaptic reflexes
What role do stretch receptors play in skeletal muscles
Describe the simple stretch reflex, a flexion reflex and a crossed extension reflex. Briefly summarize effects of peripheral neuropathies
Describe sensory signal transduction. Describe how the special senses differ from other sensory apparatus. Describe the anatomical structures and functions of the eye. What are the structures and functions associated with the different layers of the eye?
What are the specialized cell types associated with vision?
What are the properties of light?
Describe visual accommodation. What are some common errors associated with vision?
How are visual signals sent to the brain and processed?
What are the structures and functions associated with olfaction/ gustation?
How are sensory signals transduced?
What is the neural pathway of olfaction/ gustation?
What are the 5 taste sensations and what chemicals cause them?
Describe the structure and function of the ear. How do inner ear ossicles function to transmit sound?
How do hair cells transmit sound to the brain?
What are the properties of sound waves?
How are sound waves transduced?
What is the neural pathway for sound signals to the brain?
How does the inner ear contribute to balance?
what are the structures and functions of balance?
The major functions of the Central Nervous System (CNS) are to process and coordinate sensory information, regulate body functions, and control motor responses.
The human brain develops into distinct regions from a neural tube through a process called neurulation.
The five lobes of the cerebral cortex are the frontal, parietal, temporal, occipital, and insular lobes.
Basal nuclei (or basal ganglia) are groups of nuclei in the brain involved in motor control and coordination.
The diencephalon is a region of the brain that includes the thalamus, hypothalamus, and epithalamus.
The cranial meninges are protective layers that surround the brain and spinal cord.
Cerebrospinal fluid (CSF) is a clear fluid that surrounds and protects the brain and spinal cord.
The blood-brain barrier is a protective mechanism that regulates the movement of substances from the bloodstream into the brain.
The spinal cord is a long, cylindrical structure that extends from the base of the brain to the lower back.
The spinal cord is a long, cylindrical structure that extends from the base of the brain to the lumbar region.
A reflex arc includes sensory receptors, sensory neurons, interneurons, motor neurons, and effectors.
Somatic reflexes involve skeletal muscle responses, while visceral reflexes involve responses in smooth muscle, cardiac muscle, or glands.
The major functions of the Central Nervous System (CNS) are to process and coordinate sensory information, regulate body functions, and control motor responses. The CNS consists of the brain and spinal cord.
The human brain develops into distinct regions from a neural tube through a process called neurulation. The neural tube differentiates into three primary vesicles: the forebrain (prosencephalon), midbrain (mesencephalon), and hindbrain (rhombencephalon). Further development results in the formation of distinct brain regions, such as the cerebral cortex, cerebellum, and brainstem.
The five lobes of the cerebral cortex are the frontal, parietal, temporal, occipital, and insular lobes. Motor functions are primarily localized in the frontal lobe, while sensory functions are distributed across the parietal, temporal, and occipital lobes.
Basal nuclei (or basal ganglia) are groups of nuclei in the brain involved in motor control and coordination. The limbic system plays a role in emotions, memory, and motivation. The reticular formation is a network of nuclei in the brainstem that regulates sleep, wakefulness, and arousal.
The diencephalon is a region of the brain that includes the thalamus, hypothalamus, and epithalamus. It functions in relaying sensory information, regulating homeostasis, and controlling the endocrine system. The cerebellum coordinates voluntary movements, posture, and balance.
The cranial meninges are protective layers that surround the brain and spinal cord. They consist of the dura mater, arachnoid mater, and pia mater. Their functions include cushioning and protecting the CNS.
Cerebrospinal fluid (CSF) is a clear fluid that surrounds and protects the brain and spinal cord. It is produced by the choroid plexus in the ventricles of the brain and circulates through the ventricles and subarachnoid space.
The blood-brain barrier is a protective mechanism that regulates the movement of substances from the bloodstream into the brain. It prevents the entry of harmful substances and maintains a stable environment for proper brain function.
The spinal cord is a long, cylindrical structure that extends from the base of the brain to the lower back. It is composed of gray matter and white matter.
The spinal cord is a long, cylindrical structure that extends from the base of the brain to the lumbar region. It transmits sensory and motor signals between the brain and the rest of the body.
Ascending tracts in the spinal cord carry sensory information from the body to the brain, while descending tracts transmit motor signals from the brain to the body.
A reflex arc includes sensory receptors, sensory neurons, interneurons, motor neurons, and effectors. It allows for rapid and involuntary responses to stimuli.
Somatic reflexes involve skeletal muscle responses, while visceral reflexes involve responses in smooth muscle, cardiac muscle, or glands. Monosynaptic reflexes have a single synapse, while polysyn.
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what is the term for an immovable joint that holds together the flat bones of the skull?
The term for an immovable joint that holds together the flat bones of the skull is a suture.
A suture is a type of joint found only in the skull where bones are joined together by fibrous tissue. They are considered immovable joints as the bones are tightly bound together and do not move. Sutures are important as they provide strength and stability to the skull, protecting the brain and other vital structures.
There are different types of sutures found in the skull such as coronal, sagittal, lambdoid, and squamous sutures. These sutures have distinct shapes and patterns which help in identifying different areas of the skull and determining the age of skeletal remains.
Proper identification and examination of sutures is crucial in forensic investigations and medical procedures related to the skull.
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What is the source of most salt in the ocean?
A.fish
B.human activity
C. Wind
D. Rocks on land
Answer:
D. rocks on land
Explanation:
Salt in the ocean comes from two sources: runoff from the land and openings in the seafloor. Rocks on land are the major source of salts dissolved in seawater. Rainwater that falls on land is slightly acidic, so it erodes rocks. This releases ions that are carried away to streams and rivers that eventually feed into the ocean.
Answer:
Option D Rocks on land
Explanation:
Rocks on land are the major source of salts dissolved in seawater. Rainwater that falls on land is slightly acidic, so it erodes rocks. This releases ions that are carried away to streams and rivers that eventually feed into the ocean.
Which of the following are homologous structures? A. The forelimb of a dog and the hindlimb of a cat
B. The mouth of a mosquito and the beak of a hummingbird
C. Wings of a butterfly and wings of a sparrow
D. The forelimb of a dog and the forelimb of a cat
Answer:
Explanation:
D. The forelimb of a dog and the forelimb of a cat
If the adenyl cyclase activity of liver cells were missing, which of these hormones could no longer stimulate release of glucose? thyroxine glucagon insulin cortisol leptin
Adenyl cyclase is a protein enzyme located on the inner surface of the plasma membrane and catalyzes the conversion of ATP to cyclic AMP (cAMP). The hormone binds to its receptor, which activates adenylate cyclase, which leads to the formation of cAMP.
The cAMP functions as a second messenger, activating protein kinase A, which then initiates a cascade of reactions. Insulin is a hormone that stimulates the uptake of glucose by cells and regulates metabolism. Insulin causes the liver to convert glucose to glycogen and store it in the liver cells. When the body needs glucose, glucagon stimulates the liver to break down glycogen into glucose and release it into the bloodstream.
Cortisol is a hormone that regulates glucose metabolism and the body's response to stress. It increases the levels of glucose in the blood by stimulating the liver to convert glycogen to glucose and promoting gluconeogenesis, which is the formation of glucose from non-carbohydrate sources such as amino acids.Leptin is a hormone produced by adipose tissue that regulates appetite and energy expenditure. Thyroxine, or T4, is a hormone produced by the thyroid gland that regulates metabolism. It increases the rate of glucose metabolism, leading to an increase in glucose uptake and use by cells.
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researchers have engineered compound -resistant corn by inserting a compound -resistance gene from a prokaryote into the corn genome. explain how scientists could ensure that the gene would be reliably transmitted to the offspring by either the pollen or the ovule. explain why the synthase gene and the pathway it regulates can exist in both prokaryotes and corn plants.
Scientists must ensure that the gene is expressed in both the pollen and the ovule in order to guarantee that the gene is reliably passed on to the offspring by either the pollen or the ovule.
Plant breeders were able to cross plants with new precision thanks to the foundation of Mendelian genetics, which allowed them to carefully alter the plant genome in order to produce new, improved varieties. These rearing methods have been utilized to foster higher-yielding assortments, including plants impervious to bugs or sickness.
Either the bacterial plant pathogen Agrobacterium tumefaciens or a particle gun are used in the two traditional methods for inserting DNA into plants. These techniques insert DNA into the plant genome at random locations.
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Chromosomes are SMALLER than genes and are found in DNA.
True
False
Answer:True
Explanation:
which term describes the mechanism of dna replication in which the newly made double-stranded dna contains one parental strand and one daughter strand?
The phrase "semiconservative replication" refers to the DNA replication process in which the newly formed double-stranded DNA contains both a daughter and a parent strand.
What is DNA and how does it work?The instructions required for a creature to grow, endure, and reproduce are encoded in its DNA. Nucleotide sequences must be transformed into instructions that can be utilized to create proteins, that are the large molecules that carry out the majority of the tasks in our bodies, in order to perform these activities.
Why is DNA important?DNA is crucial for inheritance, protein coding, for supplying guidelines for life or its activities in all living things. DNA regulates a person's or perhaps an animal's growth, reproduction, or final death. The average human cell has 23 sets of chromosomes, making it.
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The model below shows a carbide ion.
8 light grey and 6 dark grey balls sit at the center with 2 concentric black rings around them. The inner ring has 2 medium grey balls on it, and the outer ring has 8 medium grey balls on it. At bottom, a dark grey ball = +1, a light grey ball = 0, a medium grey ball = negative 1.
What could be done to change this carbide ion to a neutral carbon atom?
remove 2 electrons
add 2 electrons
remove 4 electrons
add 4 electrons
Answer:
It is actually remove 4 electrons i got it wrong when i chose b
Explanation:
Adding four electrons could be done to change this carbide ion to a neutral carbon atom. Thus, the correct option is D.
What is Carbide ion?Carbide ion is used in the manufacturing purposes and applications as well with this. Carbide ion is frequently used for the trekking poles, cleats, and the ski poles. Carbide ion is also utilized in the manufacturing of fishing weights and many other mechanisms which require cutting and pulverizing purposes.
Adding four electrons is the one thing which could be done to change this carbide ion to a neutral carbon atom.
Therefore, the correct option is D.
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PLEASE HELP QUICK!!!!! WILL GIVE BRAINIEST!!!!!!
Answer:
atp
Explanation:
ATP is composed of ribose, a five-carbon sugar, three phosphate groups, and adenine , a nitrogen-containing compound (also known as a nitrogenous base). What class of organic macromolecules is composed of monomers similar to ATP? ATP directly or indirectly delivers energy to almost all metabolic pathways.
I need help please answer this. whoever does this will be marked as brainlest
there no radius for diagram
Explore which of these is an explanation slash prediction of what you think will happen during an investigation? A variable B hypothesis C fair test D control
Answer:
B. Hypothesis
Explanation:
Hypothesis is an explanation about a phenomenon that is proposed. This explanation is further subject to a test to make a scientific hypothesis.
scientific hypotheses is usually based on previous observations that is not satisfactorily explained with available scientific theories but need further clarifications.
After an hypothesis is formulates it is then subjected to test to ascertain if the hypothesis will be accepted or rejected. When rejected further investigation can be carried out to be sure of the outcome.