Cell Membrane

Front

What forms the channels and pumps in the phospholipid bilayer?

Back

Proteins

Front

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

Back

Selectively (or Semi) Permeable

Front

This cell organelle helps organisms maintain homeostasis by controlling what substances may enter or leave cells.

Back

Cell membrane

Front

Define plasma membrane.

Back

Flexible boundary of a cell that separates a cell from its surroundings.

Tags

NGSS.MS-LS1-2

Front

What is NOT TRUE about the cell membrane?

Back

Contains digestive enzymes.

Tags

NGSS.MS-LS1-2

Front

What is the primary function of the cell membrane?

Back

To regulate the movement of substances in and out of the cell.

Tags

NGSS.MS-LS1-2

Front

What are the main components of the cell membrane?

Back

Phospholipids, proteins, carbohydrates, and cholesterol.

Front

What does the term 'fluid mosaic model' refer to?

Back

It describes the structure of the cell membrane as a mosaic of various components that move fluidly.

Front

What role do carbohydrates play in the cell membrane?

Back

They serve as recognition sites for cell signaling and communication.

Front

What is the significance of the phospholipid bilayer?

Back

It creates a semi-permeable barrier that separates the interior of the cell from the external environment.