Question

Which of the following statements best describes the chemical composition of
plasma membrane?
a) It is composed of 2 layers, 1 layer of phospholipids and 1 layer of proteins
b) It is composed of equal number of phospholipids, proteins and carbohydrates
c) It is a bilayer of proteins with associated lipids and carbohydrates
d) It is a bilayer of phospholipids with associated proteins and carbohydrates

Answer 1

Answer:

D option

Explanation:

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Answer 2

Answer:

d) It is a bilayer of phospholipids with associated proteins and carbohydrates

Explanation:

Most plasma membranes encompass about 50% lipid and 50% protein through weight, with the carbohydrate quantities of glycolipids and glycoproteins constituting five to 10% of the membrane mass. it includes phospholipid bilayer, cholesterol, glycolipids with embedded proteins like glycoproteins and shipping proteins.

The plasma membrane consists especially of phospholipids, which encompass fatty acids and alcohol. The phospholipids withinside the plasma membrane are organized in  layers, referred to as a phospholipid bilayer, with a hydrophobic, or water-hating, indoors and a hydrophilic, or water-loving, exterior .

So, the answer is option d) It is a bilayer of phospholipids with associated proteins and carbohydrates.

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