Basic Rev. Pt. 1- Cell Membrane & Passive Transport

Front

What forms the channels, tunnels, and pumps in the phospholipid bilayer?

Back

Proteins

Front

All of the following are functions of a cell membrane EXCEPT: producing energy for the cell processes.

Back

Producing energy for the cell processes.

Front

What is the name of structure 2?

Back

Phospholipid bilayer

Front

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

Back

Selectively (or Semi) Permeable

Front

Controls the passage of materials inside and outside of the cell.

Back

Cell Membrane

Front

What is the primary function of the cell membrane?

Back

To protect the cell and regulate what enters and exits.

Front

What are the two main components of the cell membrane?

Back

Phospholipids and proteins.

Front

What does it mean for a membrane to be selectively permeable?

Back

It allows certain molecules to pass while blocking others.

Front

What role do carbohydrates play in the cell membrane?

Back

They are involved in cell recognition and signaling.

Front

What is passive transport?

Back

The movement of molecules across the cell membrane without energy input.