The walls of lymphatic vessels are similar to those of cardiovascular _____________.
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Hope this helped!!!!
Related Questions
A building company purchases a large plot of forest-like land with the intention of building a new residential neighborhood. This forest-like area is home to 2 types of squirrels: tree squirrels and ground squirrels. Tree squirrels have bushy tails, longer legs, sharp claws for climbing, and large ears. Ground squirrels have shorter legs, less sharp claws, and less bushy fur. In order to build the houses, the company knocks down 80% of the trees. Which squirrel population was better fit for the change of the environment
a Ground squirrels because they did not require trees for survival.
b Tree squirrels because they require trees for survival.
c Ground squirrels because they can use their sharp claws to climb trees.
d Tree squirrels because they can use their sharp claws to burrow into the ground.
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What is the function of the vacuole?
to control all cell functions
for storage
to make proteins
to transport materials
Answers
Answer:to transport materials
Explanation:
That is to say that their function is really to handle waste products, and by handle, mean take in waste products and also get rid of waste products.
BRAINLY PLEASE
Which student made observations of a community of organisms?
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Answer :student 2
I had the same question in my test
in a pond, there is an algae bloom that doubles in size every day. if it takes 56 days for the algae to cover the entire pond, how many days would it take for the algae to cover half of the pond?
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In a pond, there is algae bloom that doubles in size every day. if it takes 56 days for the algae to cover the entire pond, It will take 55 days to cover the half of pond with algae.
Algae are occasionally categorized as "plants" and occasionally as "protists" (a grab-bag category of generally distantly related organisms that are grouped on the basis of not being animals, plants, fungi, bacteria, or archaeans).
We know that the lake is entirely covered on day 56.
If the lily pad patch doubles every day, the day before day 56, it was covering half the lake.
If we double half a pie we have a whole pie.
It will take 55 days for the lily pad patch to cover half of the pond.
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how the development of the microscope played an important part in helping to convince people that mendel was right
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The microscope can be used to demonstrate the segregation of chromosomes during cell division. The law of segregation of characters is a Mendel's Law.
Each allele or gene variant is located at a specific chromosome location known as a gene locus.
The Law of Segregation indicates how one offspring receives one allele from each parent for each locus in a diploid organism.
The development of microscopy confirmed the idea that offspring receives one allele (which is located at a specific chromosome) from each parent for each gene locus.
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Describe the formation of the universe,starting with the big bang
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Answer:
space dust turns into rock
what is the correct muscle classification for the prime mover in a chest press?
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The correct muscle classification for the prime mover in a chest press is a **synergist** or **agonist**.
In the context of muscle classification, the prime mover, also known as the agonist, refers to the muscle primarily responsible for producing a specific movement. In the case of a chest press exercise, the prime mover is the muscle primarily responsible for the pushing action of the arms, bringing them together towards the midline of the body. In a chest press, the pectoralis major muscle is typically the primary prime mover or agonist. It is a large muscle located in the chest region and is responsible for the horizontal adduction of the arms. However, it's important to note that during the chest press exercise, other muscles also play a supportive role. These muscles, known as synergists, assist the prime mover in executing the movement. Synergist muscles for the chest press may include the anterior deltoids, triceps brachii, and serratus anterior, among others. So, while the pectoralis major muscle can be classified as the prime mover or agonist in a chest press, it is essential to acknowledge the contributions of synergistic muscles that assist in the movement.
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In the 1940s and 1950s, Dr Barbara McClintock studied mosaic colour patterns in corn and discovered their unstable inheritance and the underlying mechanisms. In 1983 she was awarded the Nobel Prize in Physiology/Medicine for her discovery, and is now considered one of the most influential geneticists of the 20th century. (a) Name two synonymous names for the genetic elements that Dr McClintock discovered
(b) What can these genetic elements do, and what can the consequences be for a gene and for a host genome?
(c) Which gene function do these elements require for their activity, and what are the two classes that these elements can be assigned to, and how do these two classes function in a host genome? (d) Why did Dr McClintock initially find resistance to publish her findings and in the scientific community, to the point that she did not publish these for 20 years, and why were her ground-breaking research findings a paradigm shift in the end?
Answers
They are known by two synonymous names: transposable elements or transposons. These elements can move within a genome and have various consequences for a gene and the host genome.
(a) The two synonymous names for the genetic elements discovered by Dr. McClintock are transposable elements and transposons. These terms refer to segments of DNA that have the ability to move or transpose within a genome.
(b) Transposable elements can have various effects on genes and the host genome. They can insert themselves into a gene, disrupting its function and causing mutations. They can also influence gene expression by inserting near regulatory regions, affecting the level of gene activity. Additionally, transposable elements can cause genomic rearrangements, such as duplications, deletions, or inversions, altering the structure of the genome.
(c) The activity of transposable elements requires specific genes called transposase genes. Transposase enzymes catalyze the movement of transposable elements within the genome. Transposable elements can be classified into two main classes: Class I retrotransposons and Class II DNA transposons. Class I retrotransposons transpose via a copy-and-paste mechanism, where the element is first transcribed into RNA, then reverse transcribed back into DNA and inserted at a new location. Class II DNA transposons, on the other hand, move through a cut-and-paste mechanism, directly excising from one genomic location and reinserting into another.
(d) Dr. McClintock initially faced resistance and skepticism from the scientific community, which led her to withhold publishing her findings for nearly 20 years. At the time, the prevailing belief was that genes were fixed entities with stable positions in the genome. Dr. McClintock's discovery of mobile genetic elements challenged this view and was initially met with skepticism.
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a. What information could be useful to include in a warning on an e-cigarette ad?
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Write eassay about the benefits of studying Science' subject in school.
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Answer:
Did it for the pontiff
Explanation:
Dont now
Which question is a testable
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Answer:
A testable question is one that can be answered by designing and conducting an experiment. The answers to a testable question can be observed and measured. Hypothesis- a testable explanation of an observation. A hypothesis is NOT just an educated guess about what you think will happen.
Someone please help me get this done
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Some species boast armature such as thorns, or spines that ward off slavering herbivores. Some are loaded with poisons to sicken or kill them. And while tomatoes may not be able to scream, as L. Ron Hubbard once claimed, some plants do emit compounds that warn their compatriots of approaching threats: the botanical equivalent of a smoke signal.
what is the purpose of staining a known bacterial sample in parallel with an unknown sample
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Staining is done to make the contrast between the organisms and the backdrop stronger so that the light microscope can make out the details of the organisms better.
Bacteria are distinguished by the chemical and physical characteristics of their cell walls in gram staining. The Gram stain method cannot, however, be used to screen for every type of bacterium, and it rarely yields a definitive diagnosis. They rather aid in widely identifying the sort of bacteria.
The precise diagnosis of disease, the treatment of infection, and the tracking down of disease outbreaks linked to microbial diseases all depend on accurate and conclusive microorganism identification, including bacterial identification and pathogen detection. Finding out the morphology and Gram stain reactivity of an unknown bacteria is often the first step in the identification process.
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Salt was added to the milk after it fermented over night. Does the salt effect the
size of the curds?
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in what part of the arterial wall does cholesterol plaque develop?
Answers
Cholesterol plaque develops in the tunica intima part of the arterial wall. Tunica intima is the innermost layer of the arterial wall that is composed of a layer of endothelial cells and a subendothelial connective tissue matrix.
In response to injury or other stimuli, endothelial cells can undergo phenotypic changes such as increased expression of adhesion molecules and the secretion of cytokines and chemokines, promoting leukocyte infiltration into the arterial wall. Once in the arterial wall, monocytes differentiate into macrophages, which engulf oxidized low-density lipoprotein (LDL) particles to become foam cells.
The foam cells subsequently undergo apoptosis and form a necrotic core.The necrotic core may be surrounded by a fibrous cap that is composed of smooth muscle cells, extracellular matrix proteins, and a variety of inflammatory cells. However, in vulnerable plaques, the fibrous cap is thin and is prone to rupture, which exposes the necrotic core and its thrombogenic contents to the bloodstream and leads to the formation of thrombi that can obstruct blood flow and result in acute coronary syndromes.
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which sequence represents structures organized from most complex to least complex
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The correct sequence that represents structures organized from the most complex to the least complex is oak tree-leaf- guard cell- chloroplast.
A tissue is made of groups of the same kind of cells with a common structure and function. An organ is a structure that contains at least two different types of tissue functioning together. These are called level of organization .
In plants the cells have cell wall which is the more complex , hence it is considered as most complex structure .The body of a multicellular organism, such as a tree or a cat, exhibits organization at several levels that includes tissues, organs, and organ systems .
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patients with osteoporosis often suffer _________ fractures of the vertebral bodies due to loss of bone mass.
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Patients with osteoporosis often suffer compression fractures of the vertebral bodies due to loss of bone mass.
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Patients with osteoporosis often suffer compression fractures of the vertebral bodies due to a loss of bone mass.
Compression fractures are caused by the collapse of the bone, which is often due to a weakened bone structure and can be a result of osteoporosis. When the vertebral bodies collapse, the spine is no longer able to hold its normal form and the spine may become stooped and curved. This can lead to chronic pain, difficulty standing up straight, and loss of height. Osteoporosis is a serious condition that can have devastating effects on quality of life, so early diagnosis and treatment is important for the prevention of compression fractures.
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A student cut three identical slices from a potato.She determined the mass of the slice. She then placed them in labeled beakers and added a different solutions to each beaker. After 30 minutes, she removed each slice from it's solutions, removed the excess liquid with toilet paper, and determined the mass of each slice. The change in mass was calculated and the results are shown in the data table below.
Change in mass of potato in Different solutions.
Using racee explain why solution 2,3 are hypertonic.
Answers
Solutions 2 and 3 are hypertonic because the slices of potato show a reduction in their masses.
What are hypertonic solutions?Hypertonic solutions are solutions with a higher concentration of solutes relative to the cell suspended in them.
Hypertonic solutions generally have lower water potentials compared to the water potential of the cells suspended in them. Thus, suspended cells lose water to such solutions by the osmotic movement of water molecules. Water always moves from the region of higher water to the region of lower water potentials by osmosis
Cells that lose water by osmosis will always weigh less compared to when they are yet to be suspended in hypertonic solutions.
Thus, solutions 2 and 3 are hypertonic solutions because the slices of potatoes weighed lesser than their original weight before they were suspended in the solutions.
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Which term describes the relationship in which one organism lives inside the other one. Check ih correct answer
Answers
Answer:
The term that describes the relationship in which one organism lives inside the other one is endosymbiosis.
Explanation:
What does evolution mean in biology?
change in species over time
change in individuals over time
change in theories over time
change in ecosystems over time
Answers
Answer:
Evolution
Change in species over time.
what histone protein is thought to act as a linker that pulls nucleosomes together into a regular repeating array, resulting in a 30-nm fiber?
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The histone protein that is thought to act as a linker that pulls nucleosomes together into a regular repeating array, resulting in a 30-nm fiber is Histone H1.
What's histone proteinHistone proteins are responsible for organizing DNA into a compact, ordered structure called chromatin. There are five main types of histone proteins: H1, H2A, H2B, H3, and H4. Of these, Histone H1 is thought to act as a linker that pulls nucleosomes together into a regular repeating array, resulting in a 30-nm fiber.
This compact structure allows for efficient packaging of the DNA within the cell nucleus and also plays a role in regulating gene expression. Without histone proteins, the DNA would be too long to fit within the cell nucleus and would be more susceptible to damage.
Therefore, histone proteins, including Histone H1, are essential for the proper functioning of cells.
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plz help im dumb lol also i know it might be an easy awnswer its just i dont know for sure
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Answer: it reproduces by cell division
the answer should be ..............
D. uses mitosis
Explanation: here is the Wikipedia explanation im not good at explaining
Most yeasts reproduce asexually by mitosis, and many do so by the asymmetric division process known as budding. With their single-celled growth habit, yeasts can be contrasted with molds, which grow hyphae. Fungal species that can take both forms (depending on temperature or other conditions) are called dimorphic fungi.
Answer:
Is very fast
Explanation:
First of all, you're not "dumb"!
Yeast reproduction happens relatively quickly (in a matter of hours, not a matter of days). It CAN occur by mitosis, but most often occurs by a process called budding.
Humans have a "slow" reproduction - it takes 9 months just to produce a single organism!
En el hombre el color negro de los ojos “A” domina sobre el color azul “a” Una pareja en la que el hombre tiene los ojos negros y la mujer ojos azules tienen dos hijos, uno de ellos de ojos negros y el otro de ojos azules. Averiguar:
a) El genotipo del padre.
b) Realizar el cruzamiento.
c) Porcentaje genotípico de los hijos.
Answers
El enunciado hace referencia a un caso de herencia monogénica y dominancia completa para el rasgo 'color de ojos', donde el padre es heterocigota y la madre es homo-cigota recesivo.
Las respuestas a estas preguntas son:
a) Genotipo del padre: Aa (ojos negros)
b) Cruzamiento: Aa (padre) x aa (madre)
c) Frecuencias genotípicas esperadas: 1/2 Aa; 1/2 aa
En genética, dominancia completa se refiere al proceso de herencia en la cual un individuo heterocigota, es decir, el individuo que presenta dos alelos diferentes para el mismo gen, presenta el mismo fenotipo que un individuo homo-cigota para el alelo dominante (el alelo dominante es aquel que enmascara la expresión del alelo recesivo en individuos heterocigotas).
En este caso, el carácter 'color de ojos' presenta un patrón de herencia monogénica, donde el alelo 'A' dominante codifica para el rasgo fenotípico ojos negros, mientras que el alelo 'a' recesivo codifica para el rasgo fenotípico ojos azules.
En el ejemplo, la pareja tuvo progenie en la cual uno de los hijos presenta el rasgo recesivo ojos claros, y por lo tanto el padre debe ser heterocigota y poseer un alelo recesivo 'a'; mientras que la madre expresa el fenotipo recesivo y por lo tanto su genotipo es 'aa'. En consecuencia, el cruzamiento de un padre heterozigota 'Aa' con una madre homo-cigota recesivo 'aa' producirá una descendencia con una frecuencia genotípica esperada de 1/2 (50%) de hijos con ojos 'color negro' de genotipo Aa y 1/2 (50%) de hijos con ojos 'color celelste' de genotipo aa >>
Cruzamiento: Aa (padre) x aa (madre)
Gametos padre: 1/2 A; 1/2 a
Gametos madre: 100% a
Cuadro de Punett (combinaciones gaméticas):
A a
a Aa aa
a Aa aa
En consecuencia, este cruzamiento producirá 50% individuos ojos color negro (genotipo Aa) y 50% individuos con ojos color celelste (genotipo aa)
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explain the speed–accuracy trade-off in the skill of catching with adults over the age of 65. what would coincidence-anticipation research tell us about catching in older adults?
Answers
The speed-accuracy trade-off theory states that individuals need to decide how much emphasis to place on the speed or accuracy of a movement to achieve a particular goal.
The speed-accuracy trade-off theory states that individuals need to decide how much emphasis to place on the speed or accuracy of a movement to achieve a particular goal. With the task of catching, it is important to find the balance between speed and accuracy to successfully catch an object, but this may change based on factors such as age. In adults over the age of 65, catching may become more challenging due to changes in sensory processing and motor control, which can affect the speed-accuracy trade-off.
Coincidence-anticipation research is a type of research that focuses on the ability to predict the future location of a moving object and the ability to respond accordingly. With older adults, research has shown that their ability to accurately anticipate the trajectory of a moving object may decline, making catching more challenging. This decline is attributed to changes in cognitive processing, such as slowed reaction times and difficulty with visual tracking.
Furthermore, research has shown that older adults may rely more on visual information rather than proprioceptive feedback (internal awareness of the body's position and movement) when catching, which can also affect the speed-accuracy trade-off. In summary, the speed-accuracy trade-off theory applies to catching in older adults, but changes in sensory and cognitive processing can make it more challenging to achieve the right balance. Coincidence-anticipation research can help identify these changes and inform interventions to improve catching ability in older adults.
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claim why is methodical thinking critical to engineers
Answers
Methodical thinking is critical to engineers because the ability to think critically is essential for engineering students and future engineers. This is due to the demands of their work, which include accuracy and fidelity, clarity in action, practical thought, decision-making, attentiveness, and systematization.
By completing a task systematically, methodical thinking helps engineers avoid accidents and perform tasks without making mistakes.
Engineers must have a methodical approach to problem-solving if they are to implement processes that will be repeated repeatedly. They must also follow each step carefully to prevent accidents or forgetting a crucial step in the creation of a material, the construction of an object, etc.
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The model of DNA below is ready to be copied. Compared to the
original double helix on the right, evaluate the copies made
during three attempts of DNA replication. List any errors with the
replication if they occurred:
A
T
С
С
G
T
T
А
G
G
С
А
C с
1. List any errors (if any). Click or tap here to
enter text.
Replication #1
А T
T A
C G
С G AND
G C
T A
G С
A
T
С
А
G
T
G
T
A
G
G
С
A
С
Answers
Answer:
I see joy eros in both replications
Explanation:
nitrogen bases are not the same in the same space and there is no urical
After comparing the original double helix on the right, the errors with the replication if they occurred and nitrogen bases are not the same in the same space and there is no urical.
What generally occurs at the time of DNA replication?Errors occurs mainly at the time of DNA replication. Mutations has been refers to the changes in the DNA sequence made at the time of DNA replication, thus, the DNA replication procedure has possesses characteristics that has minimize mutations.
The three small scale of the mutations, which can take place at the time of the DNA replication which are nucleotide substiution, inversion as well as translocation.
Eukaryotic chromosomes have often multiple origins of replication. Given the size of the eukaryotic chromosomes, this has been necessary for full reproduction to occur on time. Each of these origins defines the replica, or DNA sequence, that reproduces from a particular origin. The copies do not reproduce at the same time, so care must be taken to ensure that the copies are used only once during the cell cycle.
Therefore, After comparing the original double helix on the right, the errors with the replication if they occurred and nitrogen bases are not the same in the same space and there is no urical.
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Which element does not exist as a gas in the atmosphere?*
carbon
hydrogen
nitrogen
oxygen
phosphorus
Answers
Answer:
Carbon does not exist as a gas in the atmosphere. I hope this is the answer
who is the scientist who discovered that traits pass from parents to offspring and that alleles interact with dominant and recessive properties
Answers
Answer: Mendel
Explanation:
Answer:
Gregor Mendel
Explanation:
Place the item into the correct sentence about prokaryotic metabolisms. 7. diazotrophs Oxygen is required by obligate aerobes to carry out metabolism aerotolerant anaerobes oints Fermentation is carried out by aerotolerant anaerobes when oxygen is absent. 00:38:28 chemoheterotrophs Clostridium are which means that they are poisoned by oxygen facultative anaerobes obligate anaerobes Oxygen is not needed by but they are not poisoned by it all anaerobes obligate aerobes
Answers
Diazotrophs are prokaryotes that are capable of nitrogen fixation, which means they can convert atmospheric nitrogen into a usable form for other organisms.
Diazotrophs are a diverse group of prokaryotes, including both bacteria and archaea, that are capable of nitrogen fixation. They play a crucial role in the nitrogen cycle by converting atmospheric nitrogen into a form that can be used by other organisms.
This process is essential for the growth and survival of many plants and animals, as nitrogen is a key component of amino acids and nucleotides, which are the building blocks of proteins and DNA. Diazotrophs are found in a variety of environments, including soil, water, and the guts of some animals. Some examples of diazotrophic bacteria include Azotobacter, Rhizobium, and Cyanobacteria.
Therefore, Diazotrophs are prokaryotes that are capable of nitrogen fixation.
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In cats, black fur color is caused by an X-linked allele, while the other allele at this locus causes orange color. The heterozygous allele is tortoiseshell. Normally, only females have the tortoiseshell phenotype because
A. a male inherits only one allele of the X-linked gene for hair color
B. multiple crossovers on the Y chromosome prevent orange pigment production
C. only males can have Barr bodies
D. genetic imprinting prevents males from inheriting tortoiseshell traits from a mother
Answers
Normally, only females have the tortoiseshell phenotype because a male inherits only one allele of the X-linked gene for hair color, hence option A is correct.
Why do females have the tortoiseshell phenotype?The males perish during embryonic development, only female cats often exhibit the tortoiseshell phenotype. The X-linked gene governing hair color can only be inherited by males as one allele.
This is so because male cats only have one X and one Y chromosome, whereas two X chromosomes are required to generate the distinctive tortoiseshell coloration of black, orange, and yellow/gold.
Therefore, option A is correct.
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