Cell Membrane

Front

What is the main component of the plasma membrane?

Back

lipid

Front

What is NOT TRUE about the cell membrane? Options: It controls what enters and leaves the cell, Semipermeable, Phospholipid bilayer, Contains digestive enzymes

Back

Contains digestive enzymes

Front

plasma membrane

Back

flexible boundary of a cell that separates a cell from its surroundings

Front

What forms the channels and pumps in the phospholipid bilayer?

Back

proteins

Front

Which statement best describes the cell membrane? Options: The protective outer layer that controls what enters and leaves the cell.
, Stores information on DNA molecules / Directs and controls the activities of the cell.
, A folded membrane that moves materials around inside cells / Also acts as the site of manufacturing materials needed by the cell.
, The smallest organelle with a huge job / Makes proteins, which are the building blocks of the body.

Back

The protective outer layer that controls what enters and leaves the cell.

Front

True or false:  Regulating what enters and leaves the cell helps the cell maintain homeostasis. 

Back

True

Front

What have 2 functions in the cell membrane: 1) act like gatekeepers, only letting certain things in, and 2) enzyme receptors embedded in the membrane? Options: Carbohydrates, Proteins, Phospholipids, Cholesterol

Back

Proteins

Front

What is responsible for getting large or charged (polar) molecules across the cell membrane? Options: E, B, C, D

Back

C

Front

Something is ___________ ____________
when some molecules can cross the membrane while others cannot.

Back

Selectively (or Semi) Permeable 

Front

The cell membrane is selectively permeable, which means...

Back

Certain things can enter while others cannot