Cell Membrane Functions Flashcard

Front

What are the channels in the cell membrane made of?

Back

Proteins

Front

What direction do materials move during diffusion?

Back

From high to low concentration

Front

Which part of the cell allows it to recognize different substances in the outside environment?

Back

Cell membrane

Front

What is active transport?

Back

A type of cellular transport that uses energy to move molecules against the concentration gradient.

Front

When does the movement of material across the membrane during diffusion stop?

Back

When there is a balance reached on both sides of the membrane.

Front

What is facilitated diffusion?

Back

A process that allows substances to cross membranes with the assistance of special proteins.

Front

What is osmosis?

Back

The diffusion of water across a selectively permeable membrane.

Front

What role do lipids play in the cell membrane?

Back

They form the basic structure of the membrane, creating a barrier between the inside and outside of the cell.

Front

What is the function of receptors in the cell membrane?

Back

They help the cell communicate with its environment by binding to specific molecules.

Front

What is the difference between passive and active transport?

Back

Passive transport does not require energy, while active transport does.