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KiRa [710]
3 years ago
9

Which structure is found in all types of living cells? *

Biology
1 answer:
Soloha48 [4]3 years ago
7 0

Answer:

The answer is cell membrane

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Multiple Select Question
Diano4ka-milaya [45]

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

6 0
2 years ago
How many years does it typically take for the ecosystem to become balanced
erica [24]

About 30. thankyou and goodluck

5 0
2 years ago
Can someone help me check these two if they are right?
Sergeeva-Olga [200]

Answer:

all are correct

Explanation:

6 0
3 years ago
What are proteins composed of, and what are their main functions in the body
IgorC [24]

Answer:

<u><em>Proteins are large, complex molecules that play many critical roles in the body. They do most of the work in cells and are required for the structure, function, and regulation of the body’s tissues and organs. </em></u>

<u><em>Proteins are made up of hundreds or thousands of smaller units called amino acids, which are attached to one another in long chains.</em></u>

Explanation:

7 0
3 years ago
Molly, whose eyes are brown, inherited a gene for blue eyes from her mother and a gene for brown eyes from her father. mollys br
seropon [69]
Her brown eyes are inherited from her dads genes.
5 0
3 years ago
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