Biology - Cell Membranes

Question 1

Movement of particles from a region of high concentration to an area of lower concentration

Accepted Answer

diffusion

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

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

Accepted Answer

isotonic

Question 4

The 'particles' that are dissolved in the fluid

Accepted Answer

solute

Question 5

Equilibrium is reached

Accepted Answer

when particles are evenly distributed through the space.

Question 6

Concentration is the

Accepted Answer

amount of particles in a given volume

Question 7

Higher solute concentration outside cell than inside = ? solution

Accepted Answer

hypertonic

Question 8

What is structure "D"? [big purple blob]

Accepted Answer

a protein

Question 9

The 'stuff' that does the dissolving is the

Accepted Answer

solvent

Question 10

What molecules are embedded in the bilayer?

Accepted Answer

proteins

Question 11

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

Accepted Answer

hypotonic

Question 12

The diffusion of water through a semi-permeable membrane is

Accepted Answer

osmosis

Question 13

The basic structure of the cell membrane is

Accepted Answer

a phospholipid bilayer.

Question 14

This transport requires energy to move materials across the membrane [against the gradient]?

Accepted Answer

active transport

Question 15

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

Accepted Answer

hypertonic

Question 16

Passive transport

Accepted Answer

doesn't require energy.

Questions 16