Cell Transport

Front

In passive transport, substances move across the cell membrane ________ the concentration gradient.

Back

WITH

Front

The movement of particles from an area of high concentration to an area of low concentration is called ________.

Back

diffusion

Front

When material passes into and out of a cell at equal rates and there is no difference in concentration between the inside and outside of the cell, the cell is in a state of ________.

Back

dynamic equilibrium

Front

What macromolecule is embedded into the lipid bilayer and helps to transport molecules?

Back

Protein

Front

Which describes an isotonic environment?

Back

Concentrations of water are equal inside and outside the cell.

Front

What is the process called when water moves across a selectively permeable membrane?

Back

Osmosis

Front

In active transport, substances move across the cell membrane ________ the concentration gradient.

Back

AGAINST

Front

What is the primary function of the cell membrane?

Back

To regulate what enters and leaves the cell.

Front

What type of transport does not require energy?

Back

Passive transport

Front

What happens to a cell in a hypertonic solution?

Back

It shrinks due to water loss.