Which of the following mechanisms can cause increased genetic variation in a population?
Answers
Answer:
55
Explanation:
907654
Related Questions
In an experiment, a researcher prepares a reaction mixture by dissolving a substance in a buffered solution. The substance is the substrate of a certain enzyme. The researcher adds a small amount of the enzyme to the reaction mixture and measures the amount of product that is formed over time. Which of the following best predicts the immediate result of adding more substrate to the reaction mixture at the point indicated by the arrow in Figure 1?
answer choices
The amount of product will decrease until the reaction rate goes to zero.
The amount of product will increase until the reaction reaches its equilibrium point or until the substrate is used up by the reaction.
The amount of product will increase without stopping because the enzyme will be unchanged by the reaction.
The amount of product will decrease until the reaction reaches its equilibrium point or until the enzyme is been used up by the reaction
Answers
Until equilibrium is reached or all of the substrate has been eaten, the amount of product will continue to increase.
How can the rate at which an enzyme-catalyzed reaction occurs be determined?It is possible to identify enzyme catalysis by measuring the appearance of the product or the disappearance of the reactants. The same reactants may be used in a reaction, but a different catalyst may produce different results.
Which of the following would speed up how quickly reactants turn into products in a chemical reaction?The more the temperature rises, the more crashes occur. As a reactant's concentration rises, the likelihood of reactant collisions increases as well, accelerating the rate of the reaction.
To know more about buffered solution visit:-
https://brainly.com/question/24262133
#SPJ4
what is catabolsim comparied to
Answers
Answer:Anabolism requires energy to grow and build. Catabolism uses energy to break down. These metabolic processes work together in all living organisms to do things like produce energy and repair cells
Explanation: becuse i am smart and so are you
The bar chart shows the heights of pea plants grown from 500 pea seeds.What variation do the plants show?
A. Continuous variation only
B. Discontinuous variation only
C. Both continuous variation and discontinuous variation
D. Neither continuous variation and discontinuous variation
Answers
Answer:
C. Both continuous variation and discontinuous variation
Explanation:
this was the answer on my quiz a couple days ago
Which tissue found in the centre of bones produces blood cells?
Answers
How can you use mastering to develop a growth mindset and embrace your mistakes.
Answers
Answer: question what went wrong and use hints or provide problem feedback to develop a new strategy
Explanation:
What is the number of individuals in a population found within a defined area or volume that can limit the size of some populations?.
Answers
Population density is defined as the quantity of people in a given space or volume, and it is critical to the survival of a population. In nature, there are various constraints on population number and expansion. Some are depending on the density, whereas others are not.
What does ecosystem population mean?In ecology, a population is made up of all the creatures of a particular species that are found in a specific location. Demography is the statistical study of populations and how they evolve through time.A population is a collection of creatures belonging to the same species that cohabitate in one place.Immigration is the long-term integration of some people from outside the current population. As a result, population density rises and growth is unaffected.Anything that restricts a limiting element population's growth is slowed or prevented. Biologic factors including food, mates, and competition with other species for resources are some examples of limiting constraints.To learn more about Population density refer to:
https://brainly.com/question/16894337
#SPJ4
both parents are heterozygous for tay-sachs disease (an autosomal recessive disorder). three children in a row were born with tay-sachs disease. what is the chance that a fourth child will have tay-sachs disease?
Answers
The chance that a fourth child will have tay-sachs disease is 25%.
Tay-Sachs disease is a rare genetic condition that kills brain and spinal cord nerve cells. Babies and young children are the primary targets of this disease. It is typically lethal and prevents the nerves from functioning normally.
A hexosaminidase-A deficiency in the body causes this condition. This is an autosomal recessive disorder. So it requires two recessive alleles to express the disease.
Let us consider T as the dominant allele and t as the recessive allele. Here, the two parents are heterozygous which means their genotype is Tt. Crossing this we get Punnett square as attached here.
Here, the probability of a normal child is calculated from the occurrence of TT and Tt. Since it is recessive, it requires two recessive alleles to express.
Out of four from the Punnett square, three are normal. Then, the probability is 75%, or 3/4. And out of four, one is affected, so the probability is 25%, or 1/4.
Therefore, the answer is 25%.
The complete question is -
Both parents are heterozygous for Tay-Sachs disease (an autosomal recessive disorder). Three children in a row were born with Tay-Sachs disease. What is the chance that a fourth child will have Tay-Sachs disease?
25%
100%
50%
0%
75%
To know more about Punnett square:
https://brainly.com/question/25608427
#SPJ4
What notation would you use to characterize Patient B's
karyotype?
This is patient b on the karyotyping activity
Answers
To characterize Patient B's karyotype, I would use the International System for Human Cytogenetic Nomenclature (ISCN).
Begin by obtaining a sample of the patient's chromosomes from nucleated cells in their blood. This can be done through a blood draw or other suitable methods.
Prepare the chromosomes for analysis by staining them to create a banding pattern. This pattern helps in identifying and distinguishing individual chromosomes.
Examine the stained chromosomes under a microscope and capture high-resolution images of the metaphase spread. This ensures clear visualization of each chromosome.
Analyze the chromosome images and identify any structural abnormalities, such as deletions, duplications, inversions, or translocations. Pay close attention to the sex chromosomes, as abnormalities in these can be relevant to the patient's infertility.
Determine the number of chromosomes present in the patient's karyotype. In a normal human karyotype, there are 46 chromosomes, including 22 pairs of autosomes and 1 pair of sex chromosomes.
Assign a karyotype designation to the patient based on the observed chromosome abnormalities. This involves using the International System for Human Cytogenetic Nomenclature (ISCN), which provides a standardized notation for describing chromosomal variations.
Document the patient's karyotype using the ISCN notation, indicating the specific abnormalities observed and their locations on the chromosomes.
Interpret the findings of the karyotype analysis in the context of the patient's infertility. Consult with a geneticist or reproductive specialist to determine if the identified chromosomal abnormalities could be contributing to the patient's condition.
Communicate the results and implications of the karyotype analysis to the patient and collaborate on further steps, such as additional genetic testing or fertility treatments, as appropriate.
For more such questions on karyotype, click on:
https://brainly.com/question/2680111
#SPJ8
The probable question may be: What notation would you use to characterize Patient B's karyotype?
Patient B is a 28-year-old male who is trying to identify a cause for his infertility. Chromosomes were abtained from nucicated cells in the patient's blood. Complete Paticot I's Karyoryne
Which of the following is true about vegetative propagation?
A
Genetic variations arise frequently from vegetative propagation.
B
Vegetative propagation is a faster mechanism of reproduction as compared to sexual reproduction.
C
Vegetative propagation is seen in animals.
D
Layering is a type of natural vegetative propagation.
Answers
Vegetative propagation is a method of asexual reproduction in plants that involves the production of new individuals from vegetative parts such as stems, roots, or leaves, without the involvement of seeds or spores. The correct answer is D
Layering is a specific technique of vegetative propagation where a portion of a plant stem is induced to produce roots while still attached to the parent plant.
This process can occur naturally or be facilitated by human intervention. In natural layering, a stem may bend and come into contact with the soil, allowing it to root and form a new plant.
Layering is an effective method of propagating plants because it allows for the production of genetically identical offspring. The new plants produced through layering retain the same genetic characteristics as the parent plant since they are clones. The correct answer is D.
To know more about asexual reproduction refer:
https://brainly.com/question/4100787
#SPJ11
which of the following is an important physical distinction between hominins and other animals? a. bipedalism b. opposable thumbs c. language d. hunting prowess
Answers
Bipedalism is an important physical distinction between hominins and other animals. Option A is correct.
What is bipedalism?Bipedalism is the mode of moving that involves walking on two legs. It is a distinct characteristic of hominins, a classification that includes human beings and their closest ancestors .The advantages of Bipedalism is a critical adaptation for hominins since it offers many benefits, such as greater efficiency when travelling long distances.
Additionally, standing upright provides a greater perspective on the environment and can help identify prey or threats. Also, hands were freed to create and use tools. Therefore, bipedalism was the first step towards the evolutionary path to modern humans (Homo sapiens).
Learn more about Homo sapiens
https://brainly.com/question/3521546
#SPJ11
Why are the northern and southern hemispheres have summer and winter at opposite times of the year?
When the northern hemisphere is tipped away from the sun in the summer, the southern hemisphere is tipped toward the sun.
The northern and southern hemispheres have summer and winter during the same time of the year. There is no difference.
When the northern hemisphere is tipped toward the sun in the summer, the southern hemisphere is tipped away from the sun.
Answers
Answer:
The northern and southern hemispheres have opposite seasons because of the 23.5-degree tilt of Earth's axis. In June, the Northern Hemisphere tilts toward the Sun, causing sunlight to hit the hemisphere at a more direct angle. … The Earth's tilt is why Australians experience winter as we experience summer.
Explanation:
The seasons in the Northern Hemisphere are the opposite of those in the Southern Hemisphere. This means that in Argentina and Australia, winter begins in June. The winter solstice in the Southern Hemisphere is June 20 or 21, while the summer solstice, the longest day of the year, is December 21 or 22.
1. When a consumer eats a producer, 10 percent of the producer's energy is passed on to the consumer trophic level. What happens to the other 90 percent?
A. It is added back to the soil by decomposers.
B. It is used by the producer to pass on to the next trophic level.
C. It is used for cell processes or released as heat.
D. It is consumed and used by the consumer.
2. Why is there less biomass at the top of the energy pyramid?
A. Secondary and tertiary consumers have to consume a lot more food to support themselves, so there are fewer of them.
B. Secondary and tertiary consumers live longer, so there are fewer of them because they reproduce more slowly.
C. Secondary and tertiary consumers are larger, so there are fewer of them.
D. Secondary and tertiary consumers have bigger ranges, so there are fewer of them because they each need a lot of space.
3. Using the ten percent rule, determine how many kilocalories of energy the tertiary consumer tuna will receive.
Algae: 135,000 Kcal
Shrimp: _
Lantern Fish: _
Tuna: _
A. 135 Kcal
B. 1,350 Kcal
C. 135,000 Kcal
D. 13,500 Kcal
4. Read the following statements about various species of plants and animals. Which one would be classified as an invasive species?
A. Kudzu, a plant from Japan, was introduced as a foliage crop and to reduce soil erosion. It grows up to a foot per day, smothering low-growing plants and killing trees.
B. Dandelions are plants from Eurasia. They are often considered weeds by homeowners and killed off by using herbicide. They can be consumed in salads or as tea and are the first food resource for bees in the spring.
C. Honey bees are from Europe and can sting people. They are often farmed in America for their ability to pollinate and provide honey.
D. Loosestrife beetles, native to Eurasia, have been released in various American states to combat the invasive plant, purple loosestrife.
5. Using the following formula to find the efficiency of energy transfer between the harbor seal (2,500 Kcal) and a polar bear (375 Kcal)
(Energy level transferred to next level) / (Total energy input) × 100
A. 15%
B. 20%
C. 10%
D. 12%
Thank you so much if you answer this:) I'm working on it and will probably figure them out but a little help would be appreciated. <3
Answers
Answer: I just to happen to be working on this quiz right now. I got 5/5 on it, so I hope this helps :D
~Ten Percent Rule Quick Check~
1. B) It is used for cell processes...
2. D) Secondary and tertiary consumers have to consume a lot more..
3. D) 135 Kcal
4. C) Kudzu, a plant from Japan...
5. A) 15%
^This is confirmed valid as of January 17th, 2022^
Consumers are the organisms that depend on others for food and energy for the metabolic process while the producers produce their food at the trophic levels.
The correct options are 1. C, 2. A, 3. A, 4. A and 5. A.
The trophic levels can be explained as:1. In the trophic levels the energy gets decreased as it passes from one level to another because it is used in the cellular process it is released in the form of heat.
2. Secondary and tertiary consumers have to feed a lot and hence, they are fewer in number compared to the producers. They maintain the population and balance out the producer and consumer ratio.
3. According to the 10 % rule of energy transfer, the Tuna will receive 135 Kcal of energy because the energy decrease by 10% as one moves from the lower trophic to the upper levels.
4. The species that are non-native to a place or region are called invasive species hence, the Kudzu plant is the invasive species as it is introduced from Japan.
5. Given,
Energy of Seal = 2,500 Kcal
The energy of polar bear = 375 Kcal
The 10% of 2500 will be 250 and the 5 % 125 thus, 15% is the efficiency.
Therefore, the correct options are 1. C, 2. A, 3. A, 4. A and 5. A.
Learn more about energy transfer and trophic level here:
https://brainly.com/question/20586850
A population started with 100 individuals. There were 14 births, 20 deaths, and 2 new individuals immigrated into the population. As a percentage, what rate did the population change?
Answers
Answer: r = -4%
Explanation: use the formula r = (B - D) + (I - E) /
population
which means growth rate = (Births - Deaths) + (Immigration - Emigration) /
populatio
plug the numbers in so you get r = (14 - 20) + (2 - 0) /
100
So the growth rate is -4%
Need help ASAP! Will give brainliest;) NO LINKS please, WILL REPORT.
A). Tuna
B). Dog
C). Mold
D). Horse
Answers
Answer:
d horse ,................................ I think
the spinning of earth around its axis is called
Answers
Answer:
Rotation
Explanation:
describes the circular motion of an object around its center
The method of inheritance in which both alleles are expressed in the phenotype is called:
Incomplete
Codominant
Mendelian
The method of inheritance in which both alleles are blended in the phenotype is called:
Incomplete
Codominant
Mendelian
The method of inheritance in which there is one clear dominant allele and one clear recessive allele is called:
Incomplete
Codominant
Mendelian
Answers
The method of inheritance in which both alleles are expressed is known as codominant.
The method of inheritance in which both alleles are blended in the phenotype is called as incomplete.
The method of inheritance in which there is one clear dominant allele and one clear recessive allele is called as Mendelian.
What is inheritance?As it relates to genetics, the term "inherited" describes a feature or variation that is encoded in DNA and passed from parent to child during reproduction. The laws of Mendelian genetics govern inheritance.
Learning more about promoting health and preventing disease requires an understanding of genetic variables and genetic abnormalities. The risk of having a child with a birth defect, a developmental disability, or a disease like cancer or heart disease has been linked to some genetic changes.
For more information on inheritance kindly visit to
https://brainly.com/question/14925026
#SPJ1
The primary __________ cortex contains a map of the body based on the importance of sensory input from different parts of the body.
A. somatosensory
B. visual
C. auditory
D. motor
Answers
The primary somatosensory cortex contains a map of the body based on the importance of sensory input from different parts of the body.
The primary somatosensory cortex is responsible for processing sensory information from various parts of the body, including touch, pressure, temperature, and pain.
It is located in the parietal lobe of the brain, specifically in the postcentral gyrus.
The primary somatosensory cortex contains a map of the body known as the somatotopic map. This map represents different body parts based on their relative importance and sensitivity to sensory input.
Areas of the body that require precise and fine sensory discrimination, such as the hands and face, are allocated larger portions of the somatosensory cortex compared to less sensitive areas.
Know more about somatosensory:
https://brainly.com/question/8439330
#SPJ7
What is the most common molecule in living things? A. CO B. He с. А,о D. CO
Answers
Answer:
proteins
Explanation:
Neurons have more mitochondria than cheek cells. suggest why.
Answers
Neurons have more mitochondria because neurons are the essential unit of the brain and the human body's nervous system, which perform and maintain all body functions. Neurons completely depend on mitochondria because they produce ATP that is used by the neurons use to perform functions.
However, cheek cells have fewer mitochondria because the function or metabolic activities performed by cheek cells are very less as compared to the neurons.
Therefore, mitochondria are the membrane-bounded cell organelles that produce ATP or Chemical Energy. As neurons have to perform more actions and metabolic activities, so Neurons have more mitochondria as compared to the cells of cheeks.
Learn more about neurons here
brainly.com/question/13047831
#SPJ1
I WILL MARK BRAINLIEST
Answers
Explanation:
how hydrosphere affects the flow of matter and energy on Earth
Answers
Answer:
Water sculpts landforms through erosion and the movement of minerals, it hydrates life on the planet, and plays a role in the transfer of energy from terrestrial to aquatic systems.
Explanation:
What role does cellular respiration play in the carbon cycle
Answers
Answer:
Hello, the cellular respiration is the process where organic sugar gets broken down to create and preform energy. It's very important because it releases the carbon dioxide from within our body and out into the atmosphere..
What is the current research and technology of the resource on plastic
This is for 25 points
Answers
Answer:
•
Explanation:
Answer:
The main source of synthetic plastics is crude oil.
Explanation:
Carbohydrates provide many things, including:
Answers
Answer:
Carbohydrates are mainly found in plant foods. They also occur in dairy products in the form of a milk sugar called lactose. Foods high in carbohydrates include bread, pasta, beans, potatoes, rice, and cereals. Carbohydrates play several roles in living organisms, including providing energy
Explanation:
hope its help
thank you
what are microorganisms
Answers
Answer:
a microscopic organism, especially a bacterium, virus, or fungus.
Explanation:
Part A Drag The Labels To The Appropriate Location In The Figure. Reset Help Left Hepatic Duct Common Hepatic Artery Stomach Gallbladder Right Gastric Artery Duodenum Hepatic Portal Vein Liver Common Hepatic Duct Cut Edge Of Lesser Omentum Pancreas Left Hepatic Artery Submit Request Answer
Answers
In the provided figure, the labels need to be correctly placed on various anatomical structures. The labels include Left Hepatic Duct, Common Hepatic Artery, Stomach, Gallbladder, Right Gastric Artery.
To correctly label the figure, the following associations should be made:
Left Hepatic Duct: Connects the left lobe of the liver to the common hepatic duct.
Common Hepatic Artery: Supplies oxygenated blood to the liver.
Stomach: A muscular organ that receives and processes food.
Gallbladder: Stores and concentrates bile produced by the liver.
Right Gastric Artery: Supplies blood to the stomach.
Duodenum: The first part of the small intestine, located just after the stomach.
Hepatic Portal Vein: Carries nutrient-rich blood from the digestive organs to the liver.
Liver: Performs various metabolic functions flow of blood and produces bile.
Common Hepatic Duct: Collects bile from the liver and merges with the cystic duct to form the common bile duct.
Cut Edge of Lesser Omentum: A fold of peritoneum that connects the liver to the lesser curvature of the stomach.
Pancreas: Produces digestive enzymes and hormones, including insulin.
Left Hepatic Artery: Supplies oxygenated blood to the left lobe of the liver.
By correctly placing the labels on the corresponding structures in the figure, one can accurately identify and understand the anatomical relationships between these important organs and vessels.
Learn more about flow of blood here
https://brainly.com/question/32394500
#SPJ11
What is the smallest number of molecules of atp and gtp consumed in the synthesis of a protein with 200 residues after mrna synthesis, starting from amino acids? assume that the hydrolysis of ppi is equivalent to the hydrolysis of atp for this calculation.
Answers
The smallest number of molecules are 200 ATP and 400 GTP consumed in the synthesis of a protein with 200 residues after mrna synthesis.
What is mrna synthesis and what is ATP and how many ATP and GTP are consumed?mRNA is one of the RNA of ribosomal, manufacture, and transfer RNA synthesized in nucleus using the nucleotide sequence of DNA as template.ATP is adenosine triphosphate used as energy molecules to process the needed function of human and plant body.In here is asked the smallest number of molecules of ATP and GTP consumed in the synthesis of a protein with 200 residues after mRNA synthesis.The answer would be 200 molecules of ATP and 400 molecules of GTP consumed to synthesize protein.To know more about mRNA visit :
https://brainly.com/question/12903143
#SPJ4
which of these was the second of the major events that stimulated an increase in the size of the human population?
A) the advent of agriculture
B) the industrial revolution
C) the discovery of vaccines and the discovery of antibiotics
Answers
The second major event that stimulated an increase in the size of the human population was B) the Industrial Revolution.
The advent of agriculture (A) was the first event, which allowed for the establishment of settled communities and a more stable food supply. This led to a gradual increase in population.
The Industrial Revolution, which began in the late 18th century, brought about significant technological advancements and improvements in infrastructure, such as the development of factories and efficient transportation systems. These innovations increased productivity and made essential goods more accessible, which in turn improved living standards and supported a higher population.
While the discovery of vaccines and antibiotics (C) has undoubtedly saved countless lives and contributed to population growth, this event took place after the Industrial Revolution. The widespread use of vaccines and antibiotics started in the 20th century, playing a crucial role in reducing mortality rates and allowing for a more rapid increase in population.
Learn more about antibiotics :
https://brainly.com/question/10868637
#SPJ11
what happens if something in the scientific process doesn't go as planned
Answers
Answer:
You take observations and record it in your data. And state that your hypothesis was wrong
Which term refers to the practical applications of scientific knowledge?
A. Technology
B. Statistical analysis
C. Philosophy
D. The scientific method
Answers
The term that refers to the practical applications of scientific knowledge is A. Technology.
What is Technology?Technology refers to the tools, methods, techniques, and systems that are developed through scientific knowledge and used to create, develop, and improve goods, services, and processes. It encompasses a wide range of fields, from information technology and electronics to biotechnology and manufacturing.
Technology has had a profound impact on society, transforming the way we communicate, learn, work, and live. It has enabled people to access information and resources more quickly and easily than ever before, as well as connect with others across great distances. Technology has also made many tasks more efficient and streamlined, allowing for greater productivity and innovation.
Learn more about Technology at:
https://brainly.com/question/7788080
#SPJ1