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snow_tiger [21]
2 years ago
7

Which of the following polymers provide protection in the plasma membrane? A)Proteins B)Lipids C)Starches D)Nucleic Acids

Biology
1 answer:
leonid [27]2 years ago
3 0
I would say B, because the others are actually molecules with other functions, and the plasma membrane is made up of lipids and proteins (mainly lipids). So, the hydrophillic parts of lipids help protect the plasma membrane.
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5 0
3 years ago
Which best exemplifies the concept of neuroplasticity?
KonstantinChe [14]
The correct answer is "the formation of new brain cell connections as the result of reading a book".

Usually, neuroplasticity is apparent in young children when the central nervous system has an abundance of neurons. This is always in the context of forming new brain cell connections or synapses that will lead the person to access the information quicker. This also exemplifies the principle of use and disuse when it comes to knowledge. 

The other choices concerns the skeletal system, cardiovascular system, and the endocrine/reproductive system; all of which do not have a relation with neuroplasticity.
5 0
3 years ago
Which statement explains how the fossil record supports the theory of evolution?
mr_godi [17]

It's B

Explanation:

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4 0
3 years ago
Read 3 more answers
Ling made a study chart for science class.
aliina [53]

Alyssa's additional observation would be cell Y having a larger vacuole than cell X. The third option is the correct one.

<h3>Plant cell vs animal cell</h3>

From the observations, both cells are eukaryotic. This is because:

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  • cell Y has a nucleus which also peculiar to eukaryotic cells only

Lysosome houses digestive enzymes and is found mostly in animal cells. Only a few plant cells have lysosomes.

Thus, the lack of a lysosome means that cell Y is a plant cell while the presence means that cell X is an animal cell.

Generally, plant cells have larger vacuoles than animal cells.

More on plant and animal cells can be found here: brainly.com/question/1493437

#SPJ1  

4 0
2 years ago
Electrical wires are generally protected by a tube of plastic. a similar insulating function is performed in the nervous system
Allisa [31]

The myelin sheath is the protective layer, which is present in the outer layer of the neural cells. This myelin sheath prevents the loss of electrical impulses, which are being conducted in the neurons. This also act as an insulator between neuron and its external environment.

This layer is mainly made up of the protein and fatty substance. The degeneration of the myelin sheath result in many neurological disorders.


Hence, the correct answer is myelin sheath.

7 0
3 years ago
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