Cell Membrane and Cell Transport

Front

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

Back

True

Front

What is one major difference between passive and active transport?

Back

Active transport uses energy; passive transport does not.

Front

How do you classify a solution that has a lower concentration of solutes compared to the inside of a cell?

Back

The solution is hypotonic.

Front

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

Back

Selectively (or Semi) Permeable.

Front

What describes the arrangement of the cell membrane as bendable and made of many parts?

Back

The Fluid Mosaic Model.

Front

What is the primary function of the cell membrane?

Back

To protect the cell and regulate what enters and leaves.

Front

Define diffusion in the context of cell transport.

Back

The movement of molecules from an area of higher concentration to an area of lower concentration.

Front

What is osmosis?

Back

The diffusion of water across a selectively permeable membrane.

Front

What is the role of transport proteins in the cell membrane?

Back

To facilitate the movement of substances across the membrane.

Front

What is the difference between endocytosis and exocytosis?

Back

Endocytosis is the process of taking substances into the cell, while exocytosis is the process of expelling substances from the cell.