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Worksheets

Principles of Biochemistry

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

Which of these is NOT a macromolecule?

a)

Nucleic Acid

b)

Lipid

c)

Carbohydrate

d)

Water

2.

Mono- means 1 and Poly- means

a)

few

b)

many

c)

2

d)

zero

3.

Water molecules are

a)

polar

b)

non-polar

c)

poly-polar

d)

anti-polar

4.

Properties of water are due to the

a)

oxygen bonds

b)

hydrogen bonds

c)

no bonds

d)

endless bonds

5.

Property allowing water to resist external forces are called

a)

universal solvent

b)

heat capacity

c)

surface tension

d)

specific heat

6.

Which macromolecule is NOT found on a nutrition label?

a)

Lipid

b)

Carbohydrate

c)

Nucleic Acid

d)

Protein

7.

Your body's main source of energy is

a)

lipids

b)

carbohydrates

c)

proteins

d)

nucleic acids

8.

Carbon, Hydrogen, and Oxygen make up

a)

lipids

b)

carbohydrates

c)

both lipids and carbohydrates

d)

proteins

9.

The major structural molecule needed for growth and repair is

a)

proteins

b)

lipids

c)

carbohydrates

d)

nucleic acids

10.

The building blocks of all macromolecules are called

a)

polymers

b)

monomers

c)

nucleotides

d)

fatty acids

11.

The most common monomer of a carbohydrate is

a)

fructose

b)

sucrose

c)

glucose

d)

lactose

12.

The most common monomer of a lipid is called

a)

nucleotide

b)

fatty acid chain

c)

amino acid

d)

monosaccharide

13.

The building blocks of proteins are called

a)

amino acids

b)

nucleotides

c)

glycerol and fatty acids

d)

polysaccharides

14.

Most carbohydrates end in

a)

"ose"

b)

"ase"

c)

"ing"

d)

"ly"

15.

What is the chemical formula for glucose?

a)

C6H6O6

b)

C2H3O2

c)

C6H10O2

d)

C6H12O6

16.

Which is bigger an atom or a molecule?

a)

atom

b)

molecule

17.

How does ATP provide us with energy?

a)

by breaking the sugar group

b)

by breaking the nitrogen base

c)

by breaking the phosphate bond

d)

none of these

18.

Enzymes are a type of

a)

lipid

b)

protein

c)

nucleic acid

d)

carbohydrate

19.

Enzymes act as a ___________ to speed up a chemical reaction.

a)

catalyst

b)

substrate

c)

product

d)

reactant

20.

Most enzymes end in

a)

"ose"

b)

"ase"

c)

"ing"

d)

"ly"

21.

In a chemical reaction, the substrate bonds to a specific region called the

a)

product

b)

active site

c)

catalyst

d)

substrate

22.

An environmental factor that could affect the rate at which the enzyme works is

a)

temperature

b)

pH

c)

color

d)

both pH and temperature

23.

ATP stands for

a)

all the phones

b)

active temporary password

c)

adenosine triphosphate

d)

adenoid triptophan

24.

An atom is made of protons, neutrons and

a)

substrates

b)

electrons

c)

plastrons

d)

tissues

25.

Which is NOT one of the most abundant elements of life?

a)

Carbon

b)

Hydrogen

c)

Neon

d)

Oxygen

26.

The octet rule states that all atoms want to have ____ electrons.

a)

10

b)

9

c)

8

d)

7

27.

Covalent bonds occur when atoms

a)

share electrons

b)

exchange electrons

28.

Ionic bonds occur when atoms

a)

share electron

b)

exchange electrons

29.

Which of the following describes when an enzyme is not longer able to function properly?

a)

killing

b)

melting

c)

denaturing

d)

shape shifting

30.

Benedict's solution is used to test for

a)

lipids

b)

carbohydrates

c)

nucleic acids

d)

proteins