Free Printable Enzyme and ATP Test

1.

Which phrase best describes an exothermic chemical reaction?

a)

Does not absorb any energy.

b)

Forms products with higher bond energy than reactants.

c)

Is in a state of equilibrium

d)

Releases more energy than it absorbs

2.

Identify the products in this reaction: 6H₂O + 6CO_{2 ->}C₆H₁₂O₆ + 6O₂

a)

6H₂O and 6CO₂

b)

6CO₂and C₆H₁₂O₆

c)

6H₂O, C₆H₁₂O₆, and 6O₂

d)

C₆H₁₂O₆ and 6O₂

3.

Chemical reactions that absorb more energy than they release are considered to be

a)

exothermic

b)

catalyzed

c)

endothermic.

d)

anabolic

4.

The activation energy needed for a chemical reaction is decreased by the presence of a .

a)

catalyst

b)

reactant

c)

product

d)

substrate

5.

If the activation energy of a biochemical reaction is lowered, then

a)

the reaction will happen faster.

b)

the reaction will happen more slowly.

c)

more energy will need to be absorbed.

d)

the rate of the reaction will be unaffected

6.

The molecule that an enzyme binds to is known as its .

a)

substrate

b)

monomer

c)

polymer

d)

complimentary base

7.

1. Reactants bind to enzymes at the .

a)

substrate

b)

product

c)

activation energy

d)

active site

8.

Which macromolecule found in the food you eat will your cells break down first to get ATP?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

9.

Which phrase best describes the function of the ATP molecule?

a)

absorbs energy

b)

increases energy

c)

stores energy

d)

creates energy

10.

Energy is released from an ATP molecule for cellular processes when it

a)

converts a phosphate group to ADP.

b)

attaches an extra phosphate group.

c)

loses a phosphate group.

d)

produces a sugar molecule.

11.

Which of the following reactions directly provides chemical energy for most cell functions?

a)

ADP -> ATP + P

b)

ADP + P -> ATP

c)

ATP + P -> ADP

d)

ATP -> ADP + P

12.

Where does your body get the energy for reattaching a third phosphate to ADP, creating ATP?

a)

from the sun

b)

usually from carbs

c)

from nucleic acids

d)

from breaking ATP

13.

In the cell, which organelles convert solar (light) energy into chemical energy stored in sugar?

a)

Endoplasmic reticulum

b)

Ribosomes

c)

Chloroplasts

d)

Mitochondria

14.

What part of the cell makes proteins?

a)

Ribosomes

b)

Lysosomes

c)

Golgi apparatus

d)

Centrioles

15.

This process occurs when the cell uses energy to bring something in from outside the cell.

a)

Endocytosis

b)

Exocytosis

c)

Osmosis

d)

Diffusion

16.

In which phase of the cell cycle is genetic material (DNA) replicated/duplicated?

a)

G₁ phase

b)

S phase

c)

G₂ phase

d)

M phase

17.

Which phrase best describes an exothermic chemical reaction?

a)

Does not absorb any energy

b)

Forms products with higher bond energy than reactants

c)

Is in a state of equilibrium

d)

Releases more energy than it absorbs

18.

Chemical reactions that absorb more energy than they release are called

a)

exothermic

b)

catalyzed

c)

endothermic

d)

activated

19.

What macromolecule is an enzyme?

a)

carbohydrates

b)

proteins

c)

lipids

d)

cells

20.

What organelle does ATP process happen.

a)

Mitochondria

b)

Nucleus

c)

Lysosomes

d)

Ribosomes

Enzyme and ATP Test

Total questions: 20

Worksheet time: 1hrs 8mins

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