4.3

Question 1

This process operates upon an established concentration gradient.

Answer 1

Diffusion

Question 2

Water always flows from Hypotonic to Hypertonic until Isotonic

Answer 2

Osmosis (The diffusion of water.)

Question 3

Hypotonic

Answer 3

Hypo” means “very little” is dissolved in the water “tonic” referring to the solution.

Question 4

Hypertonic

Answer 4

Hyper” means “a lot” is dissolved in the water “tonic” referring to the solution.

Question 5

The process of _______________ (water control) is crucial for all cells to control.

Answer 5

Osmoregulation

Question 6

This refers to a condition when there is plenty of water in the plant cell, so the cells are rigid and the plant is stiff.

Answer 6

Turgid

Question 7

This refers to a condition when there is not enough water in the plant cell, so the cells are limp and the plant is wilted.

Answer 7

Flaccid

Question 8

This movement of molecules requires the help of a Transport Protein.

Answer 8

Facilitated Diffusion (“Facilitate” means “to help”)

Question 9

No energy is required for this process to occur.

Answer 9

Passive Transport