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aleksklad [387]

3 years ago

9

The muscle cells and nerve cells in a mouse look very different and serve very different functions in the mouse's body. these di

fferences are because the muscle cells and nerve cells in the mouse:

1 answer:

katovenus [111]3 years ago

4 0

The muscle cells control limb movement, while the nerve cells relay thoughts and messages to your brain.

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If you were able to look very closely at a portion of dna and find methylated histones, you would:___.

Daniel [21]

If you were able to look very closely at a portion of dna and find methylated histones, you would be looking at a region of inactive chromatin.

Histone methylation is the process by which methyl groups are added to the histone protein amino acids, which create the nucleosomes around which the DNA double helix coils to form chromosomes.
Histone methylation is the addition of one, two, or three methyl groups to certain amino acids within a histone protein. Histones are coiled around DNA in the cell nucleus.
These findings collectively imply that DNA methylation can be either active—as a probable contributor to levels of gene expression variation—or passive—as a result of or a separate indicator of gene expression levels.

learn more about methylated histones here: brainly.com/question/14643590

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3 0

2 years ago

Please place the following vessels in the correct order to represent the arterial circulation leading up to the glomerulus.

Ymorist [56]

The following vessels are connected as below:

aorta ->renal arteries ->segmental arteries ->interlobular arteries ->arcuate arteries ->cortical radiata ->afferent arteries ->glomerulus.

1) aorta : arises from heart which carry blood from heart to the rest of the body

2) renal artery :it arises from the aorta which carry blood to kidney .it carry unfiltered blood .

3)segmental arteries : it arises from renal artery .it has 5 branches or segments.

4)interlobular arteries : it arises from segmental arteries. the interlobular arteries pass directly outward between the medullary rays to reach the fibrous tunic ,where they end in the capillary network of this part.

5)Arcuate arteries: it arises from interlobular arteries .it is also known as arciform arteries, are vessels of the renal circulation. they are located at the border of the renal cortex and renal medulla.

6) cortical radiata: it arises from arcuate arteries.

7) afferent arteries: it arises from interlobular arteries and also connects to glomerulus. they are a group of blood vessels that supply the nephrons in many excretory systems .they play a important role in regulation of blood vessels.

8) glomerulus : it connects from afferent arteries.it is the filtering unit of kidney ,is a specialised bundle of capillaries that are uniquely situated between two resistance vessels.

Disclaimer: the given question is incomplete means it contains incomplete data .the correct question is given below.

Question: Please Place The Following Vessels In The Correct Order To Represent The Arterial Circulation Leading Up To The Glomerulus. Aorta Interlobar Artery Segmental Artery Afferent Arteriole Cortical Radiate Renal Artery Arcuate Artery Glomerulus

Please place the following vessels in the correct order to represent the arterial circulation leading up to the glomerulus.

Aorta

Interlobar artery

Segmental artery

Afferent arteriole

Cortical radiate

Renal artery

Arcuate artery

Glomerulus

Learn more about blood vessels here :

brainly.com/question/11763276

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5 0

2 years ago

What does this experiment demonstrate about the movement of water across a cell membrane?

AfilCa [17]

Answer:smosis is the diffusion of water across a semi-permeable (or differentially permeable or selectively permeable) membrane.

Explanation:

5 0

3 years ago

Select all of the answers that apply. Thermohaline circulation is driven by differences in _____. wind Earth's rotation temperat

zhenek [66]

Density is the answer

3 0

3 years ago

Read 2 more answers

Describe the ways in which CO2 is added into and removed from the environment

cluponka [151]

Carbon enters all food webs, both terrestrial and aquatic, through autotrophs, or self-feeders. Almost all of these autotrophs are photosynthesizers, such as plants or algae.
Autotrophs capture carbon dioxide from the air or bicarbonate ions from the water and use them to make organic compounds such as glucose. Heterotrophs, or other-feeders, such as humans, consume the organic molecules, and the organic carbon is passed through food chains and webs.

How does carbon cycle back to the atmosphere or ocean? To release the energy stored in carbon-containing molecules, such as sugars, autotrophs and heterotrophs break these molecules down in a process called cellular respiration. In this process, the carbons of the molecule are released as carbon dioxide. Decomposers also release organic compounds and carbon dioxide when they break down dead organisms and waste products.
Carbon can cycle quickly through this biological pathway, especially in aquatic ecosystems. Overall, an estimated 1,000 to 100,000 million metric tons of carbon move through the biological pathway each year. For context, a metric ton is about the weight of an elephant or a small car!

The geological pathway of the carbon cycle takes much longer than the biological pathway described above. In fact, it usually takes millions of years for carbon to cycle through the geological pathway. Carbon may be stored for long periods of time in the atmosphere, bodies of liquid water—mostly oceans— ocean sediment, soil, rocks, fossil fuels, and Earth’s interior.

The level of carbon dioxide in the atmosphere is influenced by the reservoir of carbon in the oceans and vice versa.

3 0

3 years ago