Duplicate of Homeostasis and Cell Transport

Question 1

Movement of molecules form an area of higher concentration to an area of lower concentration.

Accepted Answer

Diffusion

Question 2

When the concentration of solutes outside of the cell is lower than inside, water will...

Accepted Answer

Move into the cell

Question 3

A sodium-potassium pump transports...

Accepted Answer

3 Na+ ions out and 2 K+ ions in

Question 4

The difference in concentration between two areas is called a _________________.

Accepted Answer

Concentration gradient

Question 5

Where will water go when a cell is in a hypertonic solution?

Accepted Answer

Out of the cell

Question 6

Active transport requires energy.

Accepted Answer

True

Question 7

Passive transport requires energy.

Accepted Answer

False

Question 8

Which of the following is NOT true of active transport.

Accepted Answer

Moves material from high to low concentration

Question 9

When the concentration of molecules is evenly dispersed, it is said to have reached equilibrium

Accepted Answer

True

Question 10

______________ is the maintenance of a constant environment.

Accepted Answer

Homeostasis

Question 11

__________ involves the release of materials outside of a cell using a vesicle.

Accepted Answer

Exocytosis

Question 12

___________ is the movement of large molecules into the cell.

Accepted Answer

Endocytosis

Question 13

The movement of water across a semi-permeable membrane.

Accepted Answer

Osmosis

Question 14

Facilitated diffusion involves the use of _______ to help move molecules in or out of the cell.

Accepted Answer

Carrier proteins

Question 15

When the solution outside the cell is isotonic, water will _____________.

Accepted Answer

Move in and out

Questions 15