5. Amoeba Sisters Diffusion

Diffusion is the net movement of a substance traveling down its concentration gradient.

• True

• False

Molecules usually move from a lower concentration to a higher concentration.

• True

• False

Tags

NGSS.HS-PS1-5

Once the molecules are evenly spread throughout a given space, they stop moving.

• True

• False

Tags

NGSS.MS-PS1-4

Diffusion is a form of passive transport.

• True

• False

ATP is needed for diffusion to occur.

• True

• False

Facilitated diffusion requires a protein to move molecules across the cell membrane from a lower concentration to a higher concentration.

• True

• False

Facilitated diffusion requires an input of energy.

• True

• False

Facilitated diffusion is a type of active transport?

• True

• False

The greater the distance a molecule travels, the faster the diffusion rate

• True

• False

The higher the temperature, the faster the diffusion rate.

• True

• False

Tags

NGSS.HS-PS1-5