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Macro & Enzyme Quiz 24-25

Total questions: 15

Worksheet time: 10mins

Name
Class
Date
1.

Why are macromolecules important in living things?

a)

They can be broken down and used for energy

b)

They make water which all living things need

c)

They are only found in nonliving things

d)

They give our phones battery life

2.

Which macromolecule is responsible for long term energy storage and insulation?

a)

Proteins

b)

Lipids

c)

Carbohydrates

d)

Nucleic acid

3.

Which macromolecule is an enzyme?

a)

Proteins

b)

Lipids

c)

Carbohydrates

d)

Nucleic acid

4.

Which food is an example of a carbohydrate?

a)

Chicken

b)

DNA

c)

Butter

d)

Pasta

5.

Nucleic acid...

a)

Gives your body quick and immediate energy

b)

represents your genetic code, which makes your traits

c)

Is used for long term energy storage and cell membrane structure

d)

Helps repair muscles and tissues

6.

Which food would give you a burst of energy and increase of glucose?

a)

Turkey meat

b)

Salad

c)

Avocado

d)

Candy bar

7.

Match the following macromolecules with their correct monomer.

a)

Lipids

1.

fatty acid

b)

Protein

2.

amino acids

c)

Nucleic acid

3.

nucleotides

d)

Carbohydrate

4.

glucose (simple sugar)

8.

What is letter D referring to?

a)

Enzyme

b)

Active site

c)

Substrate

d)

Product

9.

What is letter B referring to?

a)

Enzyme

b)

Active site

c)

Substrate

d)

Product

10.

Which of the following is TRUE of enzymes. Select TWO choices.

a)

Enzymes speed up chemical reactions

b)

Enzymes slow down chemical reactions

c)

Enzymes can only be used once

d)

Enzymes can function in all temperatures and pH ranges

e)

Extreme conditions can change the active site which denatures the enzyme

11.

Which enzyme would function better at 65 0C?

a)

Enzyme A

b)

Enzyme B

12.

If you were to place Enzyme A in an environment of 5 0C, what would happen?

a)

Denature the enzyme, changing the shape and function

b)

Cause the enzyme to work at it's best, producing the most product

c)

The enzyme shape and function would not change or be affected

d)

The enzyme would turn into a nucleic acid and code for your eye color

13.

Which enzyme functions best at pH 8?

a)

Enzyme W

b)

Enzyme X

c)

Enzyme Y

d)

Enzyme Z

14.

Which enzyme functions best at pH 2 and a temperature of 55 0C?

a)

Enzyme W

b)

Enzyme X

c)

Enzyme Y

d)

Enzyme Z

15.

How do enzymes speed up reactions?

a)

They turn into products

b)

They increase the activation energy needed

c)

They lower the activation energy

d)

They slow down the rate of reactions