Cell Membrane

Front

Which type of biological macromolecule is the main component of the plasma membrane?

Back

lipid

Front

What is NOT TRUE about the cell membrane?

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

What best describes the cell membrane?

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

___________ have 2 functions in the cell membrane.
1.) They act like gatekeepers, only let certain things in. 
2.) Enzyme receptors embedded in the membrane.

Back

Proteins 

Front

What is responsible for getting large or charged (polar) molecules across the cell membrane?

Back

C

Front

What is the term for 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