Diffusion, osmosis, active transport

What is Osmosis?

• equal concentration
• diffusion of water through a selectively-permeable membrane
• high to low concentration
• non-polar tail

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

Passive transport requires no

• concentration gradients
• osmosis
• motion
• energy

Which of the following substances passes through the plasma membrane   through the process of osmosis?

• glucose
• water
• protein
• sodium

The diffusion of water across a semi-permeable membrane

• hypotonic
• concentration gradient
• homeostasis
• osmosis

The movement of atoms, ions, or molecules from an area of high concentration to an area of low concentration.

• osmosis
• active transport
• diffusion
• hypertonic

Tags

NGSS.HS-PS1-5

Where is there a low concentration of dye?

• at the bottom of cup
• in the color
• at the top of cup 
• no concenteraion gradient

The picture below is an example of _________________.

• osmosis
• isotonic
• diffusion
• active transport

Tags

NGSS.MS-LS1-3

Osmosis is the movement of _____ across a membrane.

• food
• energy
• oxygen
• water

Tags

NGSS.MS-ESS2-4

Where is there a low concentration of perfume?

• in the bottle
• on the hand
• in the room
• in the top

Tags

NGSS.HS-PS1-5