Diffusion

Question 1

Active transport

Answer 1

The movement of particles through a cell membrane from a region of lower concentration to a region of higher concentration using energy from respiration

Question 2

Osmosis

Answer 2

Is the movement of water molecules across a partially permeable membrane from a region of higher water concentration to a region of lower water concentration

Question 3

Diffusion

Answer 3

Is the spreading out of particles from an area of higher concentration to an area of lower concentration

Question 4

What increases the rate of diffusion.

Answer 4

Concentration
Temperature
Surface area

Question 5

What is the name of the structure that carries water through the plant

Answer 5

Xylem

Question 6

What is the name of the structure which carries food through the plant

Answer 6

Phloem

Question 7

What is flaccid

Answer 7

If the plant loses water by transpiration though the leaves it becomes flaccid.

Question 8

What is plasmolysed

Answer 8

When it becomes flaccid and the cytoplasm continues to shrink away from its cell wall

Question 9

What is passive

Answer 9

Diffusion

Osmosis

Question 10

What is against a concentration gradient?

Answer 10

Active transport

Question 11

Hydrolysis

Answer 11

Which water molecules are used to break down large water molecules in to smaller ones

Question 12

What is a polypeptide

Answer 12

A chain of amino acids

Question 13

What does protein contain

Answer 13

Carbon, hydrogen , oxygen and nitrogen

Question 14

What is in carbohydrates

Answer 14

Carbon, hydrogen and oxygen

Question 15

What temperature are fats and oils a liquid at?

Answer 15

20 degrees Celsius

Question 16

What is turgor pressure

Answer 16

As the vacuole increases in volume, it increasingly presses the cytoplasm against the cell wall