Aqa Cell Transport

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

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

• vacuole

• nucleus

• cell membrane

• cell wall

Tags

NGSS.HS-LS1-3

Movement of particles from high to low concentration. 

• Passive Transport

• Active Transport

Tags

NGSS.MS-LS2-3

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

• Passive Transport

• Active Transport

What is it called when molecules move across the cell membrane from an area of high concentration to an area of low concentration through a carrier protein?

• Diffusion

• Osmosis

• Active Transport

• Facilitated Diffusion

Osmosis is the movement of _____ across a membrane.

• food

• energy

• oxygen

• water

Tags

NGSS.MS-LS1-1

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

• Facilitated Diffusion

• Simple Diffusion

• Active Transport

• Osmosis

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

Osmosis is a form of ______________. 

• Passive Transport

• Active Transport