This organelle is a double layer of phospholipids that creates a barrier between the cells internal and external environments. It is selectively permeable and controls what enters and exits the cell.

STRUCTURE AND FUNCTION OF THE CELL

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

This organelle is a double layer of phospholipids that creates a barrier between the cell’s internal and external environments. It is selectively permeable and controls what enters and exits the cell.

A	Nucleus
B	Cilia
C	Cell membrane
D	Flagella

Explanation:

Detailed explanation-1: -The cell membrane, also called the plasma membrane, is found in all cells and separates the interior of the cell from the outside environment. The cell membrane consists of a lipid bilayer that is semipermeable.

Detailed explanation-2: -Mitochondria are oval-shaped, double-membrane organelles (Figure 3.17) that have their own ribosomes and DNA. Each membrane is a phospholipid bilayer embedded with proteins.

Detailed explanation-3: -Like all other cellular membranes, the plasma membrane consists of both lipids and proteins. The fundamental structure of the membrane is the phospholipid bilayer, which forms a stable barrier between two aqueous compartments.

Detailed explanation-4: -The cell membrane is composed mainly of phospholipids, which consist of fatty acids and alcohol. The phospholipids in the cell membrane are arranged in two layers, called a phospholipid bilayer.

Detailed explanation-5: -The plasma membrane can be described as a phospholipid bilayer with embedded proteins that controls the passage of organic molecules, ions, water, and oxygen into and out of the cell.

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