Science SRG Topic 2 Lesson 3

What word describes the cell membrane, allowing it to allow some substances in while keeping others out.

• selectively permeable

• osmosis

• diffusion

Tags

NGSS.MS-LS1-2

The cell membrane helps maintain

• osmosis

• homeostasis

• passive transport

Tags

NGSS.MS-LS1-2

The movement of materials across a cell membrane WITHOUT using energy is called

• passive transport

• active transport

• diffusion

The movement of materials across a cell membrane USING energy is called

• passive transport

• active transport

• selectively permeable

Molecules moving from an area of higher concentration to an area of lower concentration is called

• osmosis

• homeostasis

• diffusion

Diffusion is a form of

• passive transport

• active transport

The diffusion of water molecules is called

• osmosis

• facilitated diffusion

• diffusion

Which of the following can easily cross the cell membrane? CHOOSE 3

• oxygen

• water

• sugar

• carbon dioxide

Movement of particles into or out of the cell through PROTEINS in the cell membrane is called

• facilitated diffusion

• osmosis

• diffusion

Facilitated diffusion is a form of

• active transport

• passive transport