3-1 and 3-2 Review

Passive transport is called "passive" because it occurs

• without energy

• with energy.

Osmosis is the diffusion of _____ across a membrane

• proteins
• water

Diffusion is the movement of molecules from an area of higher concentration to an area of lower concentration.

• True
• False

What is the difference between active and passive transport?

• Active does not need energy and passive uses energy

• Active uses energy and passive does not need energy

What process occurs when WATER diffuses across a membrane?

• endocytosis
• osmosis

Movement of particles from high to low concentration. 

• Passive Transport
• Active Transport

Tags

NGSS.MS-LS2-3

Osmosis is a form of ______________. 

• Passive Transport
• Active Transport

Type of active transport that brings particles into the cell

• Exocytosis

• Endocytosis

• Osmosis

Type of active transport that sends particles out of the cell

• Exocytosis

• Endocytosis

Active transport is the process of moving

• Small Particles

• Large Particles

• Water Molecules