The biological membranes are composed of:
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Correct Answer: Option A
Detailed Explanation:
Biological membranes consist of a phospholipid bilayer with embedded proteins in varying proportions.
The exact ratio of lipids and proteins is specific to each species, cell type, and organelle – e.g., mitochondrial membranes have different composition than plasma membranes.
Question 1 of 2 Cell Structure and Function
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