AP BIOLOGY

THE CELL

STRUCTURE AND FUNCTION OF THE CELL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Cell Membrane:
A
The protective outer layer that controls what enters and leaves the cell.
B
Stores information on DNA molecules / Directs and controls the activities of the cell.
C
A folded membrane that moves materials around inside cells / Also acts as the site of manufacturing materials needed by the cell.
D
The smallest organelle with a huge job / Makes proteins, which are the building blocks of the body.
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. The cell membrane regulates the transport of materials entering and exiting the cell.

Detailed explanation-2: -Answer and Explanation: The cellular plasma membrane, which encloses the cell, regulates the movement of substances in and out of the cell. The plasma membrane, being semi-permeable, permits the entry of certain substances, and restricts others.

Detailed explanation-3: -The outer lining of a eukaryotic cell is called the plasma membrane. This membrane serves to separate and protect a cell from its surrounding environment and is made mostly from a double layer of proteins and lipids, fat-like molecules.

There is 1 question to complete.