Cell Membrane Transport

Front

In a saltwater solution, salt is considered the _______.

Back

solute

Front

The cell membrane needs to use energy to move molecules quickly out of the cell through a pump. What type of transport is this?

Back

Active transport

Front

The cell membrane is responsible for allowing molecules to diffuse into or out of the cell. What type of movement is diffusion?

Back

Passive transport

Front

Which of the following is NOT a component of The Cell Theory?

Back

All non-living things are made of cells.

Front

Who noted that animals are made of cells and concluded that all living things are made of cells and cell products?

Back

Theodor Schwann

Front

What is the primary function of the cell membrane?

Back

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

Front

Define passive transport.

Back

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

Front

What is active transport?

Back

The movement of molecules against their concentration gradient, requiring energy.

Front

What role do proteins play in the cell membrane?

Back

They assist in the transport of substances across the membrane.

Front

What is osmosis?

Back

The diffusion of water molecules across a selectively permeable membrane.