Homeostasis

Question 1

Osmosis is the diffusion of

Answer 1

water

Question 2

Water moves through osmosis by going from _________areas to _________areas

Answer 2

hypotonic, hypertonic

Question 3

Hypertonic

Answer 3

A cell is in a solution that has more solutes (salts and sugar) than the cell has on the inside

Question 4

Hypotonic

Answer 4

A cell is in a solution that has less solutes (salts and sugars) than the cell has on the inside

Question 5

Isotonic

Answer 5

A cell is in a solution that has the same amount of solutes (salts and sugars) as the inside of the cell

Question 6

The “active” part of active transport means that it uses____________.

Answer 6

Energy in the form of ATP

Question 7

What would be a reasonable definition for diffusion?

Answer 7

molecules moving from areas of high concentration to areas of low concentration

Question 8

The cell membrane lets some molecules in and keeps others out. Which term does NOT accurately describe this property?

Answer 8

hemipermeable

Question 9

Homeostasis refers to the need for an organism to maintain constant or stable internal conditions.
true or false?

Answer 9

true

Question 10

Use the following information to answer the question. A cell contains 10% salt and a solution contains 30% salt. Which description correctly describes osmosis in this situation.

Answer 10

there will be a net flow of water leaving the cells