Cell Biology Review

Front

What is the function of the cell membrane?

Back

To control what enters or leaves the cell.

Tags

NGSS.MS-LS1-2

Front

Define lipid bilayer.

Back

A molecular structure that surrounds the cell and controls what enters and leaves the cell.

Front

What is a characteristic of prokaryotic cells?

Back

Prokaryotic cells are generally simple in structure.

Front

What is the function of the cell wall in plant cells?

Back

To provide protection and form for the plant cell.

Front

Define facilitated diffusion.

Back

Movement of molecules across the cell membrane from an area of high concentration to low concentration.

Front

What is the primary role of the cell membrane in cellular transport?

Back

It selectively allows substances to enter and exit the cell.

Front

What are the main components of the cell membrane?

Back

Phospholipids, proteins, cholesterol, and carbohydrates.

Front

How do prokaryotic cells differ from eukaryotic cells?

Back

Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells have them.

Front

What is osmosis?

Back

The diffusion of water across a selectively permeable membrane.

Front

What is the role of proteins in the cell membrane?

Back

They assist in transport, act as receptors, and provide structural support.