Cell Membranes, Cell Transport, Osmosis

Question 1

Movement of particles from an area of high concentration to an area of lower concentration is:

Accepted Answer

diffusion

Question 2

What does selectively permeable or semipermeable mean?

Accepted Answer

Only some things can go in and out

Question 3

The primary function of the cell membrane is

Accepted Answer

to control what moves in and out of the cell.

Question 4

Passive transport

Accepted Answer

doesn't require energy.

Question 5

Water leaves, cell shrinks; higher solute concentration outside cell than inside = ? solution

Accepted Answer

hypertonic

Question 6

What molecules are embedded in the bilayer? (allow larger molecules to move through)

Accepted Answer

proteins

Question 7

The basic structure of the cell membrane is

Accepted Answer

a lipid bilayer.

Question 8

__________ is the diffusion of water through a semipermeable membrane.

Accepted Answer

osmosis

Question 9

To remove molecules from the cell too big to fit through, a vacuole fuses with membrane and contents forced out of cell.

Accepted Answer

exocytosis

Question 10

What kind of transport doesn't require the use of energy to move materials across the membrane?

Accepted Answer

all of these don't require the cell to use energy

Question 11

Water enters, cell swells; lower solute concentration outside the cell than inside = __ solution

Accepted Answer

hypotonic

Question 12

Another name for the cell membrane is

Accepted Answer

the plasma membrane

Question 13

What kind of solution is the red blood cell in the middle in?

Accepted Answer

isotonic

Question 14

Active transport

Accepted Answer

ALL of the answers are correct

Question 15

A cell is in a ____solution when: size doesn't change; water goes in and out at the same rate

Accepted Answer

isotonic

Question 16

Equilibrium is reached

Accepted Answer

when particles are evenly distributed through the space.

Question 17

materials that are too large to enter on their own, engulfed by membrane then forms vacuole in cytoplasm

Accepted Answer

endocytosis

Questions 17