Cell Transport

Front

What happens to a cell placed in an environment with more oxygen outside than inside?

Back

The cell will gain oxygen.

Front

What describes an isotonic environment?

Back

Concentrations of water are equal inside and outside the cell.

Front

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

Back

WITH

Front

What is the movement of particles from an area of high concentration to an area of low concentration called?

Back

Diffusion.

Front

What is required for the movement of materials from an area of low concentration to an area of high concentration?

Back

Energy (ATP).

Front

Define passive transport.

Back

The movement of substances across a cell membrane without the use of energy.

Front

What is osmosis?

Back

The diffusion of water across a selectively permeable membrane.

Front

What is active transport?

Back

The movement of substances against the concentration gradient, requiring energy.

Front

What is the role of the cell membrane in transport?

Back

It regulates what enters and exits the cell.

Front

What is a concentration gradient?

Back

A difference in the concentration of a substance across a space.