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Worksheets

PROTEINS and NUCLEIC ACIDS

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Proteins are complex biomolecules that contain ____________.

a)

sugars

b)

nucleic acids

c)

lipids

d)

amino acids

2.

There are _________ different amino acids which can provide the many different possible sequences of proteins in our body.

a)

10

b)

15

c)

20

d)

25

3.

Another type of protein is enzymes. It is known as ________________ catalysts.

a)

biological

b)

chemical

c)

physical

d)

general

4.

What is the most important biomolecules that serves as the blueprint of life?

a)

carbohydrates

b)

lipids

c)

nucleic acids

d)

proteins

5.

What are the two types of nucleic acids?

a)

glucose and fructose

b)

galactose and lactose

c)

DNA and RNA

d)

sugar and starch

6.

RNA contains the sugar _____________.

a)

deoxyribose

b)

fructose

c)

glucose

d)

ribose

7.

DNA contains the sugar _______________.

a)

deoxyribose

b)

fructose

c)

ribose

d)

sucrose

8.

One prominent feature of DNA is its ______________ -helix structure.

a)

single

b)

double

c)

triple

d)

none

9.

DNA is different from RNA due to the _____________ molecule that they contain.

a)

starch

b)

lipid

c)

sugar

d)

protein

10.

Which is not a function of nucleic acids.

a)

encoding genetic information

b)

transmitting genetic information

c)

expressing genetic information

d)

building blocks of protein