7.6

Question 1

Passive Transport

Answer 1

Cellular transport mechanisms that do not use any energy

Question 2

Selectively permeable

Answer 2

Membranes that can allow only specific substances through

Question 3

Diffusion

Answer 3

A passive process where certain non polar substances diffuse between membranes without using any ATP

Question 4

Law of diffusion

Answer 4

Particles will diffuse from places with higher concentration to a lower area until they are even.

Question 5

Concentration Gradient

Answer 5

Differences in concentration between ions or dissolved solids throughout a solution

Question 6

Pressure gradient

Answer 6

Differences in concentration of amounts gas throughout a solution

Question 7

Is diffusion passive or active

Answer 7

Diffusion is a passive process

Question 8

How does the cornea get oxygen

Answer 8

Through diffusion

Question 9

Factors that affect diffusion

Answer 9

temperature, size of particles, ionic charge, viscosity

Question 10

Osmosis

Answer 10

The diffusion of water

Question 11

Why does osmosis happen

Answer 11

Water molecules want to diffuse to higher areas of solute concentration to attempt to even the ratios of the solution

Question 12

isotonic

Answer 12

The product of diffusion and osmosis where there is the same concentration of everything in the solution

Question 13

Osmotic Gradients

Answer 13

Differences in concentration of water throughout a solution

Question 14

are osmotic and concentration gradients always different?

Answer 14

Osmotic and concentration gradients would be opposite of eachother, each in the direction of where there is least of their own

Question 15

Osmotic pressure

Answer 15

The result of water molecules moving through solutions towards proteins and hitting the membrane surface. HIgher osmostic pressure causes more water movement

Question 16

Hypertonic environment

Answer 16

An environment with a greater solute concentration

Question 17

Plasmolysis

Answer 17

When a cell goes through osmosis and the volume of the cell decreases or “bursts” while the solutes are released into the cytoplasm

Question 18

Turgur pressure

Answer 18

Osmotic pressure against the inside of the membrane that normally maintains cell shape.

Question 19

Hypotonic environment

Answer 19

A solution with less solutes than water

Question 20

Channel proteins

Answer 20

Allow molecules to pass through in either direction

Question 21

Carrier proteins

Answer 21

Bind to specific molecules to let them in and out cells

Question 22

Facilitated diffusion

Answer 22

Diffusion of ions and molecules using moldable proteins such as channel and carrier proteins to move ions and molecules to where they need to be