Cell Membrane and Transport

Front

How does a cell maintain homeostasis?

Back

By regulating what enters and leaves the cell.

Front

True or false: Regulating what enters and leaves the cell helps the cell maintain homeostasis.

Back

True

Front

What is the process called when molecules move from an area of higher concentration to an area of lower concentration?

Back

Diffusion.

Front

What does hydrophilic mean?

Back

Water-loving.

Front

What is the term for the movement of water across a selectively permeable membrane?

Back

Osmosis.

Front

What is an isotonic solution?

Back

A solution where the concentration of solutes is equal inside and outside the cell.

Front

What is active transport?

Back

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

Front

What is equilibrium in the context of cell transport?

Back

A state where the concentration of substances is equal on both sides of the membrane.

Front

What role do proteins play in the cell membrane?

Back

They assist in the transport of substances across the membrane.

Front

What is a selectively permeable membrane?

Back

A membrane that allows certain molecules to pass while blocking others.