wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Chapter 3: Biochemistry

Total questions: 16

Worksheet time: 8mins

Name
Class
Date
1.

Which biomolecule stores the genetic information?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

2.

Which structure makes up the majority of the cell membrane?

a)

waxes

b)

phospholipids

c)

glycogen

3.

Which element identifies a compound as organic?

a)

carbon

b)

hydrogen

c)

nitrogen

4.

Which chemical reaction builds macromolecules by removing water?

a)

separation

b)

hydrolysis

c)

dehydration synthesis

5.

Which chemical reaction uses water to break bonds?

a)

dehydration synthesis

b)

hydrolysis

c)

ionization

6.

Glucose is an example of a ___.

a)

monosaccharide

b)

protein

c)

nucleic acid

7.

Water is made of hydrogen and oxygen. Which category does it fit under?

a)

Organic

b)

Inorganic

c)

Both

8.

Which molecule do plants use to store sugar?

a)

starch

b)

protein

c)

lipids

9.

What are the monomers of proteins called?

a)

enzymes

b)

amino acids

c)

monosaccharides

10.

What type of lipid do plants use for protection?

a)

cholesterol

b)

protein

c)

wax

11.

Adenosine triphosphate (ATP) is the compound that most living things use for

a)

sunlight

b)

energy

c)

monomers

12.

Nucleotides are the monomers of ___.

a)

carbohydrates

b)

proteins

c)

nucleic acids

13.

What is another name for a long chain of amino acids?

a)

polysaccharide

b)

polypeptide

c)

phospholipid

14.

Which of the following biomolecules does NOT store energy for living things?

a)

nucleic acids

b)

carbohydrates

c)

lipids

15.

Hydrolysis reactions break apart polymers into their monomers. What molecule do they use to do this?

a)

carbon

b)

water

c)

ATP

16.

___ are biological catalysts which speed up chemical reactions.

a)

Proteins

b)

Enzymes

c)

Sugars