Third From Topic 2

Question 1

What can move out of an animal cell via diffusion?

Answer 1

Carbon dioxide

Question 2

What’s a partially permeable membrane.

Answer 2

A membrane in which only certain molecules are allowed through

Question 3

What does an animal cell no have?

Answer 3

A cell wall

Question 4

How does oxygen move into the body ?

Answer 4

-Oxygen moves from the air into the lungs into the red blood cells
-From a high concentration of oxygen to a low concentration
-By diffusion

Question 5

What is diffusion?

Answer 5

Diffusion is the spreading of particles from a high concentration to a low concentration

Question 6

What particle are too large to pass through a cell membrane?

Answer 6

Starch + protein

Question 7

How do you calculate the surface area

Answer 7

L x W x number of sides

Question 8

How to calculate SA:V ration?

Answer 8

SA / V

Question 9

How do you calculate the total volume?

Answer 9

L x W x H

Question 10

How do you calculate percentage change ?

Answer 10

Find mass - Initial mass
——————————— x100
Initial mass

Question 11

What’s the equation for aerobic respiration?

Answer 11

Glucose + Oxegen -> carbon dioxide + water

Question 12

Factors affecting diffusion

Answer 12

— concentration gradient
— the temperature
— membrane surface area

Question 13

Osmosis definition

Answer 13

Osmosis is the diffusion of water particles I a substance from a high concentration to a low concentration

Question 14

What is active transport?

Answer 14

Active transport moves substances of low concentration to a high concentration using energy