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The plasma membrane consists mainly of:

Option: 1

Phospholipids embedded in a protein bilayer


Option: 2

Proteins embedded in a phospholipid bilayer


Option: 3

Proteins embedded in a polymer of glucose molecules


Option: 4

Proteins embedded in a carbohydrate bilayer


Answers (1)

best_answer

The membrane that separates the cell's interior from its external environment is called the plasma membrane. 

It primarily consists of a phospholipid bilayer embedded with globular proteins, carbohydrates, and conjugated molecules. 

The phospholipids have a hydrophilic exterior and a hydrophobic interior. The semipermeable plasma membrane controls the flow of substances into and out of the cell.

Hence, the correct answer is option 2).

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Gunjita

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