Cell Transport

Osmosis is the movement of _____ across a membrane.

• food
• energy
• oxygen
• water

Which is true about active transport?

• It requires energy
• it does not require energy
• It moves substances down the concentration gradient
• it moves material from high to low concentration

Molecules diffusing with the concentration gradient through a protein channel is...

• Facilitated Diffusion
• Simple Diffusion
• Active Transport
• Osmosis

Tags

NGSS.MS-LS1-2

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

• vacuole
• nucleus
• cell membrane
• cell wall

Tags

NGSS.MS-LS1-2

Active transport requires _____ to move materials across the cell membrane.

• proteins
• sunlight
• oxygen
• energy

Water moved into or out of the carrots by

• osmosis
• diffusion
• active transport

• engulfing

Movement of particles from high to low concentration. 

• Passive Transport
• Active Transport

Tags

NGSS.MS-PS1-4

Osmosis is a form of ______________. 

• Passive Transport
• Active Transport

Solutes move with the concentration gradient, therefore no energy is used. 

• Passive Transport
• Active Transport

Movement of materials from high to low concentration through a protein channel. 

• Passive Transport
• Active Transport

Tags

NGSS.MS-LS1-2