Biomolecules and Active-Passive Transports

Active transport is the movement of large materials across a cell membrane from ______ to ______ concentration

• high to low

• low to high

• high to high

• low to low

Active transport across a cell membrane from low to high concentration, requires

• energy (ATP)

• no energy

• water

• oxygen

Osmosis is the movement of _____ across a membrane.

• food
• energy
• oxygen
• water

What is diffusion?

• when molecules move 
• when molecules move from a high concentration to a low.
• no movement 
• molecules move everywhere

Tags

NGSS.HS-LS2-5

An animal cell placed in a hypertonic (salty) solution will

• Shrink
• Swell
• Stay the same

Tags

NGSS.HS-LS1-3

Which cell would water move into?

• 
• 
• 
• 

Tags

NGSS.MS-LS1-2

Which cell would water move out of?

• 
• 
• 
• 

Tags

NGSS.MS-LS1-2

Osmosis needs _____ energy.

• zero

• a lot of

• 10 kilowatts

• some

Osmosis is what type of transport?

• Active

• Passive

Which of the following terms best describes a cell membrane?

• Permeable

• Impermeable

• Selectively permeable

• None of the above