Organisation Key Words

Question 1

Enzyme

Answer 1

Protein with an active site of a specific shape which speeds up reactions

Question 2

Carbohydrases

Answer 2

Enzymes that break down carbohydrates into simple sugars

Question 3

Amylase

Answer 3

A carbohydrase enzyme that breaks down starch into simple sugars

Question 4

Protease

Answer 4

An enzyme that breaks down proteins into amino acids

Question 5

Lipase

Answer 5

An enzyme that breaks down lipids into fatty acids and glycerol

Question 6

Lipids

Answer 6

Fats and oils

Question 7

Bile

pH, where it is produced, where it is stored, what it does

Answer 7

• Alkaline substance
• Produced in the liver
• Stored in the gall bladder
• It neutralises stomach acid and breaks down fats into small droplets

Question 8

Emulsify

Answer 8

Break down into small droplets

Question 9

Xylem

Answer 9

Plant tissue that transports WATER and dissolved mineral ions UP the plant

Question 10

Phloem

Answer 10

Plant tissue that transports SUGARS UP AND DOWN a plant

Question 11

Meristem

Answer 11

Plant tissue found in the growing tips of roots and shoots

Question 12

Stomata

Answer 12

Small holes underneath the leaf to allow gases to move in and out of the leaf

Question 13

Guard cells

Answer 13

Cells that open and close the stomata to reduce water loss

Question 14

Spongy mesophyll

Answer 14

Layer of cells in the leaf that allow gases to exchange

Question 15

Palisade mesophyll

Answer 15

Layer of cells in the leaf that contain lots of chloroplasts for photosynthesis

Question 16

Epidermal tissues

Answer 16

Layers of cells at the top of the leaf and the bottom of the leaf