4. Proteins and enzymes

Question 1

Hormone

Answer 1

chemical messenger between cells

Question 2

Structural

Answer 2

provide structure and support to cells and tissues

Question 3

Enzyme

Answer 3

catalyses chemical reaction

Question 4

Antibody

Answer 4

destroys pathogens and protect the body from disease

Question 5

Receptor

Answer 5

receives information from internal and external enviiroment

Question 6

Enzyme

Answer 6

Enzymes are biological catalysts that speed up a chemical reaction

Question 7

What happens to enzymes after a reaction

Answer 7

Remains unchanged

Question 8

Substance upon which a enzyme acts

Answer 8

Substrate

Question 9

Substance produced as a result of the reaction

Answer 9

Product

Question 10

Active site

Answer 10

Where the enzyme binds to the substrate

Question 11

What does an active site form

Answer 11

Enzyme substrate complex which facilitates the reaction

Question 12

Specificity

Answer 12

Each enzyme only combines with one type of substrate

Question 13

Types of enzyme reactions

Answer 13

Degradation and synthesis

Question 14

Degradation reactions

Answer 14

when enzymes break down large molecules to small molecules

Question 15

Synthesis reactions

Answer 15

when enzymes build up small molecules to large molecules

Question 16

Catalase reaction

Answer 16

degredation

Question 17

catalase substrate

Answer 17

hydrogen peroxide

Question 18

catalase product

Answer 18

oxygen and water

Question 19

Phosphorylase reaction

Answer 19

synthesis

Question 20

Phosphorylase substrate

Answer 20

glucose-1-phosphate

Question 21

phosphorylase product

Answer 21

starch

Question 22

pepsin reaction

Answer 22

degradation

Question 23

pepsin substrate

Answer 23

proteins

Question 24

pepsin product

Answer 24

peptides

Question 25

Amylase reaction

Answer 25

degradation

Question 26

Amylase substrate

Answer 26

starch

Question 27

Amylase products

Answer 27

maltose

Question 28

Lipase reaction

Answer 28

degradation

Question 29

Lipase substrate

Answer 29

fat

Question 30

Lipase product

Answer 30

fatty acids and glycerol

Question 31

optimum temperature

Answer 31

temperature which an enzyme works best

Question 32

body temperature

Answer 32

37

Question 33

Denaturing

Answer 33

at high temperature and extreme pH levels, enzymes are no longer active. The shape of the active site has changed, the substance can no longer fit

Question 34

Enzyme general formula

Answer 34

substrate arrow enzyme product

Question 35

reactions can give you:

Answer 35

change in ph
change in color
change in mass