AP Biology Unit 2 Cell Structure & Function

Front

Major component of the lipid bilayer cell membrane.

Back

Phospholipids

Front

What is the significance of a high surface area to volume ratio in cells?

Back

It allows for more efficient transport of materials across the cell membrane.

Front

What is the powerhouse of the cell responsible for ATP production?

Back

Mitochondria

Front

What type of transport requires ATP and involves a protein pump?

Back

Active transport; ATP is required.

Front

What does it mean for a cell membrane to be semipermeable?

Back

It allows only certain substances to pass through.

Front

What are the two main types of transport across cell membranes?

Back

Passive transport and active transport.

Front

What is the role of cholesterol in the cell membrane?

Back

It helps to stabilize the membrane's fluidity.

Front

Define facilitated diffusion.

Back

The process of passive transport of molecules across a cell membrane via protein channels.

Front

What is the function of glycolipids in the cell membrane?

Back

They play a role in cell recognition and signaling.

Front

What is the difference between exocytosis and endocytosis?

Back

Exocytosis is the process of expelling materials from the cell, while endocytosis is the process of taking materials into the cell.