Stewart Lees Cell Membranes & Cell Transport

Question 1

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

Accepted Answer

hypotonic

Question 2

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

Accepted Answer

isotonic

Question 3

The primary function of the cell membrane is

Accepted Answer

to control what moves in and out of the cell.

Question 4

The basic structure of the cell membrane is

Accepted Answer

a phospholipid bilayer.

Question 5

Vacuole fuses with the cell membrane, contents forced out of cell. What am I?

Accepted Answer

exocytosis

Question 6

__________ is the diffusion of water through a semipermeable membrane.

Accepted Answer

osmosis

Question 7

Active transport

Accepted Answer

all of the answers are correct

Question 8

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

Accepted Answer

diffusion

Question 9

Which of the following molecules are embedded in the phospholipid bilayer?

Accepted Answer

proteins

Question 10

Materials form a pocket in the cell membrane, then form a vacuole in cytoplasm. What am I?

Accepted Answer

endocytosis

Question 11

What kind of solution is the red blood cell on the left in?

Accepted Answer

hypotonic

Question 12

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

Accepted Answer

isotonic

Question 13

What kind of solution is the red blood cell on the right in?

Accepted Answer

hypertonic

Question 14

Passive transport

Accepted Answer

doesn't require energy.

Question 15

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

Accepted Answer

hypertonic

Question 16

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

Questions 16