Active & passive transport

Cell membrane let some substances through but not others

• TRUE

• FALSE

Tags

NGSS.MS-LS1-2

A semi-permeable cell membrane is most like a

• soldier in a battle

• climber in a mountain

• cat in a tree

• bouncer at a club

Tags

NGSS.MS-LS1-2

molecules naturally move from an area of _______ concentration to an area of _______ concentration

• high, low

• low, high

• active, passive

• boring, fun

Diffusion is a type of ___________ transport

• active

• passive

• regular

• bus

passive transport is most like

• driving a car

• driving a submarine

• biking up a hill

• biking down a hill

Tags

NGSS.MS-LS1-2

which of these molecules is polar or has an electric charge?

• water

• carbon dioxide

• oxygen

• hydrogen

the facilitated diffusion of water across a cell membrane is called

• osmosis

• equilibrium

• phospholipid

• uber

Active transport helps molecules move against the ________gradient

• angry

• concentration

• atomic

• osmosis

Active transport is most like

• running laps around a track

• skateboarding downhill

• skateboarding uphill

• sleep walking

Tags

NGSS.MS-LS1-2

What is the source of energy for transport molecules across the cell membrane?

• DNA

• red bull

• RNA

• ATP