Osmosis Difussion And Active Transport

Question 1

What is the process by which substances move across a cell membrane against their concentration gradient?

Answer 1

Active transport

Question 2

True or False: Active transport requires energy input.

Answer 2

True

Question 3

Fill in the blank: Active transport moves substances from an area of ______ concentration to an area of higher concentration.

Answer 3

lower

Question 4

What is the process by which water molecules move across a selectively permeable membrane?

Answer 4

Osmosis

Question 5

True or False: Osmosis is a passive process.

Answer 5

True

Question 6

Fill in the blank: Osmosis is the movement of water from an area of ______ solute concentration to an area of higher solute concentration.

Answer 6

lower

Question 7

What is the process by which molecules move from an area of high concentration to an area of low concentration?

Answer 7

Diffusion

Question 8

True or False: Diffusion requires a membrane to occur.

Answer 8

False

Question 9

Fill in the blank: Diffusion is driven by the ______ gradient of the molecules.

Answer 9

concentration

Question 10

In which process, active transport, osmosis, or diffusion, do molecules move against their concentration gradient?

Answer 10

Active transport