Cell Transport

Front

A molecule that diffuses down a concentration gradient goes from an area of ______ concentration into an area of ______ concentration.

Back

high, low

Front

A cell in an isotonic solution will:

Back

stay the same size

Front

A cell will __________________ in a hypotonic solution.

Back

swell and perhaps burst (lyse)

Front

This cell organelle helps organisms maintain homeostasis by controlling what substances may enter or leave cells. What is it?

Back

cell membrane

Front

Osmosis is the movement of _____ across a membrane.

Back

water

Front

What is the process called when molecules move from an area of high concentration to an area of low concentration without energy?

Back

Diffusion

Front

What term describes a solution with a lower concentration of solutes compared to the cell's interior?

Back

Hypotonic solution

Front

What happens to a cell placed in a hypertonic solution?

Back

It shrinks.

Front

What is the primary function of the cell membrane?

Back

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

Front

Define osmosis in simple terms.

Back

The movement of water across a semipermeable membrane.