Chemical Reactions and Enzymes

Question 1

Reactants

Answer 1

Elements/compounds that engage in chemical reactions

Question 2

Products

Answer 2

Elements/compounds that are produced in a chemical reaction

Question 3

Metabolism

Answer 3

All chemical reactions that occur inside an organism

Question 4

What is the function of a catalyst?

Answer 4

To speed up a chemical reaction

Question 5

How does a catalyst function?

Answer 5

By reducing the reactions activation energy

Question 6

What is activation energy?

Answer 6

The amount of energy needed for a chemical reaction to occur

Question 7

What is a chemical reaction?

Answer 7

The process by which one set of chemicals changes into another set of chemicals

Question 8

Endothermic Reaction

Answer 8

Absorbs energy from surroundings

Question 9

Exothermic Reaction

Answer 9

Releases energy into surroundings

Question 10

A chemical reaction must be ___ or ___.

Answer 10

Endothermic or exothermic

Question 11

What type of organic compound is an enzyme?

Answer 11

Protein

Question 12

Enzymes, which speed up the rate of reactions, are biological ___.

Answer 12

Catalysts

Question 13

How specific are catalysts?

Answer 13

Very, extremely, super-duper important

Question 14

Substrate

Answer 14

Reactants in enzymes

Question 15

Active site

Answer 15

Where substrate enter

Question 16

Product

Answer 16

What the enzyme releases

Question 17

What is the lock and key model?

Answer 17

The active site/substrate’s complementary shape

Question 18

Denature

Answer 18

1. Happens if pH/temperature is wrong
2. Bonds break
3. Shape changes
4. Can no longer function

Question 19

Are enzymes reusable?

Answer 19

Yes!!!!!!!

Question 20

Three factors that affect the functioning of an enzyme

Answer 20

1. Temperature
2. pH
3. Regulatory molecules