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rusak2 [61]
3 years ago
11

DUE IN A FEW MINUTES: A cell membrane is more flexible than a brick wall. Why might many cells benefit from a flexible cell memb

rane?​
Biology
2 answers:
hjlf3 years ago
4 0

Answer:

Sorry that this is late but the answer is, Cells can benefit from a flexible cell membrane because it allows the cell to survive in different environments and the plasma membrane must be adequately flexible to allow certain cells, such as red blood cells and white blood cells.

Dvinal [7]3 years ago
4 0
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Multiple Select Question
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The TRUE statements are 'proteins often have more than one transmembrane domain'; 'they are regions of a transmembrane protein that actually pass through the lipid bilayer' and 'they are usually shaped like alpha-helices'.

A transmembrane domain is a membrane-spanning region within a protein. The transmembrane domains are hydrophobic regions that can be inserted into the cell membrane.

The transmembrane domains are usually shaped like alpha-helices.

This secondary structure (alpha-helices) causes the amino acid R-groups to project radially, thereby these side chains can interact with each other.

Proteins need only a single transmembrane domain to be anchored to the membrane, but they often have more than one.

For example, Acyl-coenzyme A cholesterol acyltransferases 1 and 2 (ACAT1 and ACAT2)  have multiple transmembrane domains.

The transmembrane domains are regions of a transmembrane protein that actually pass through the lipid bilayer.

These domains contain amino acids with hydrophobic R-groups that pass through the membrane and interact with the hydrophobic tails of the fatty acid chains present in the lipid bilayer.

The transmembrane domains anchor transmembrane proteins to the lipid bilayer.

The interactions between amino acids of the transmembrane domains and fatty acids in the lipid bilayer help to anchor transmembrane proteins and stabilize the cell membrane.

Learn more in:

brainly.com/question/9444547?referrer=searchResults

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Anni [7]
Can you provide more specific details? I’m not even sure what this question is about.
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