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Worksheets

Molecular biology

Total questions: 40

Worksheet time: 40mins

Name
Class
Date
1.

Which form of glucose is stored in the human liver and muscle?

a)

Cellulose

b)

Glycogen

c)

Lipids

d)

Starch

2.

Lipids are insoluble in water because lipid molecules are _________?

a)

hydophilic

b)

hydrophobic

c)

neutral

3.

Which of the following term refers to the combination of two types of monosaccharides?

a)

Monosaccharide

b)

Disaccharide

c)

Polysaccharide

4.

Which of the following is a term that refers to an energy source obtained from plants?

a)

Cellulose

b)

Glycogen

c)

Lipids

d)

Starch

5.
Which biomolecule contains pastas and breads?
a)
Lipid
b)
Protein
c)
Nucleic Acid
d)
Carbohydrate
6.
Which biomolecule is made of nucleotides and contain you DNA?
a)
Carbohydrate
b)
Lipids
c)
Protein
d)
Nucleic Acid
7.
Which biomolecule helps form muscles?
a)
Nucleic Acid
b)
Carbohydrate
c)
Protein
d)
Lipids
8.
Which biomolecule is responsible for insulation and energy storage?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
9.
What is the function of nucleic acids?
a)
Stores energy
b)
Stores genetic information
c)
Movement
d)
Physical structure
10.
What biomolecule do enzymes belong to? 
a)
Carbohydrate
b)
Lipid
c)
Nucleic Acid
d)
Protein
11.
Carbon, Hydrogen, Oxygen and Nitrogen are elements in what biomolecule?
a)
Carbohydrate
b)
Lipid
c)
Protein
d)
Nucleic acid
12.
What elements are common to all 4 biomolecules?
a)
Carbon, hydrogen, nitrogen
b)
Carbon, Nitrogen, Phosphorus
c)
Carbon, Hydrogen, Oxygen
d)
Carbon, Hydrogen, Phosphorus
13.
What are the four biological molecules?
a)
proteins, carbohydrates, lipids, nucleic acids
b)
A, T, C, G
c)
water, air, earth, and fire
d)
Joe, Nick, and Kevin Jonas
14.

What is a biomolecule?

a)

The dissolved particle in a solution

b)

One of the by-products of respiration

c)

Large molecule that is present in living organisms

d)

None of the above

15.

The function of the nucleic acid is --

a)

to store and transmit genetic information inherited from your parents

b)

to maintain our body temperature

c)

to build up muscles bones and other body parts

d)

to regulate sugar in your blood and give your cells energy

16.

Which of the following is a characteristic of carbohydrates?

a)

Provides structure for cells

b)

Provides energy for all cellular activities

c)

Contain complex carbohydrates known as starches

d)

All of the above

17.

Which of the following is a characteristic of protein?

a)

Made up of amino acids and regulate cellular processes

b)

Fats, oils, and waxes

c)

Complex carbohydrates known as starches

d)

DNA and RNA

18.

Which biomolecule is important for insulation?

a)

Lipid

b)

Proteins

c)

Carbohydrates

d)

Nucleic acid

19.

Your friend is really irritable while sitting in class. He feels lightheaded and dizzy. He is also feeling a bit of confusion and brain fog.


What inferences are most realistic to make about the biomolecules in your friend's body?

a)

He is running low on fast sources of energy

b)

Proteins are being broken down or reshaped

c)

The coding information in the cell is incorrect or incomplete

d)

There is not enough insulation or energy storage

20.
Used for short term (quick) energy.
a)
carbohydrates
b)
lipids
c)
proteins
d)
nucleic acids
21.
Contains a phosphate, sugar and nitrogen base
a)
nucleic acid
b)
lipid
c)
carbohydrate
d)
protein
22.
Building blocks of the body, hair , muscles etc.
a)
protein
b)
nucleic acid
c)
lipids
d)
carbohydrates
23.
Identify the macromolecule in the picture
*GLUCOSE
a)
lipid
b)
protein
c)
nucleic acid
d)
carbohydrate
24.
Identify the macromolecule in the picture
* cholesterol and triglycerides
a)
carbohydrate
b)
protein
c)
lipid
d)
nucleic acid
25.

If a substance has the elements CHO and is not soluble in water, which of the macromolecules would this substance be?

a)

Carbohydrate

b)

Lipid

c)

Protien

d)

Nucleic Acid

26.
TRUE or FALSE
Enzymes function best at a specific temperature.
a)
True
b)
False
27.
What is being represented by letter C? 
a)
Enzyme
b)
Active site
c)
Substrate
d)
Lipid
28.
Proteins are made of monomers called ___________
a)
Nucleotides
b)
Monosaccharides
c)
Amino Acids
d)
Glycerol and fatty acids
29.
Monosaccharides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
30.
Waxes, oils and fats are examples of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
31.
Which macromolecule is shown?
 View Figure 2 (if not visible)
a)
lipid
b)
protein
c)
nucleic acid
d)
carbohydrate
32.
Which macromolecule is made of simple and complex sugars?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
33.
What do monomers do?
a)
Bond to make a polymer
b)
Create essential proteins
c)
Stores energy
d)
Splits to make more cells
34.

Which organic molecule would a long-distance runner most likely choose to eat two hours before a race?

a)

A protein, because it builds muscle mass.

b)

A lipid because it provides long term energy storage.

c)

A carbohydrate because it releases energy quickly.

d)

A protein, because it transports oxygen into the blood stream.

35.

Which biomolecules transport oxygen and other substances and also form part of most organelles?

a)

Lipids

b)

Carbohydrates

c)

Proteins

d)

Nucleic Acids

36.

Which biomolecules provide quick energy for the cell and also provide materials to build the cell membrane/wall?

a)

Carbohydrates

b)

Proteins

c)

Lipids

d)

Nucleic Acids

37.

Glycerol and fatty acids are the monomers of _________.

a)

Lipids

b)

Carbohydrates

c)

Proteins

d)

Nucleic Acids

38.

Which of the following contains the most lipid?

a)
b)
c)
d)
39.

Which of the following is the correct pair of biomolecules and their monomers?

a)

Carbohydrate: Fatty Acids

b)

Protein: Amino acid

c)

Lipid: Nucleotide

d)

Nucleic Acid: DNA

40.

Just under an orca's skin lies a thick layer of blubber. Blubber helps insulate a whale from heat loss. Based on this information, which biomolecule is blubber primarily made of?

a)

Lipids

b)

Nucleic Acids

c)

Proteins

d)

Carbohydrates