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Bio Quiz: DNA Structure and Function

Total questions: 15

Worksheet time: 30mins

Name
Class
Date
1.

Before cellular division, the cell must duplicate its DNA so that daughter cells will contain complete copies of the DNA. Which characteristic of DNA makes it most suitable as a molecule for this role?

a)

DNA is located in the nucleus.

b)

DNA is a larg macromolecule.

c)

DNA is made of repeating sugar-phosphate subunits.

d)

DNA is made of two strands of complementary nucleotides.

2.

The DNA Replication diagram is incomplete. Which nucleotide sequence accurately shows the DNA strand that would be produced during DNA replication? (The letters on one strand of DNA are TCCA)

a)

TCCA

b)

AGGT

c)

UCCU

d)

AGGU

3.

What must be transmitted to new DNA strands during replication to maintain genetic information?

a)

individual atoms from existing DNA strands

b)

individual sugars from existing DNA strands

c)

the sequence of bases from existing DNA strands

d)

the sequence of phosphates from existing DNA strands

4.

Amount of A=T and G=C

a)

Chargaff

b)

Franklin

c)

Watson and Crick

d)

Hershey and Chase

5.

Came up with the term 'transforming principle'

a)

Mendel

b)

Griffith

c)

Avery

d)

Hershey and Chase

6.

(Secretly) took a look at Franklin's image of DNA

a)

Chargaff

b)

Franklin

c)

Watson and Crick

d)

Hershey and Chase

7.
Which of the following is not a component of DNA?
a)

Sugar

b)

Phosphate Group

c)

Carbon Base

d)

Nitrogen Base

8.
The twisted ladder shape of DNA is known as a
a)
Double Helix
b)
Triple Helix
c)
Single Helix
d)

Vortex

9.
Which of the following units are repeatedly joined together to form a strand of DNA? (This is the MONOMER of DNA.) 
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
10.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
11.
What are the 4 nitrogen bases?
a)
adenine, thymine, cytoplasm, and guanine
b)
adenine, thymine cytosine, and guanine
c)
adenine, thymine, cytosine, and gylcerol
d)
adenine, thymine, cytosine, and glucose
12.
Which 2 molecules forms the sides (backbone) of the DNA ladder?
a)
deoxyribose and adenine
b)
deoxyribose and a hydrogen bond
c)
sugar and the nucleus
d)
deoxyribose (sugar) and phosphate
13.
If a section of DNA has 13% thymine, then there is _____ adenine
a)
13%
b)
26%
c)
37%
d)
74%
14.

In the DNA of a human, there is 22% adenine. Determine the percent of guanine.

a)

56%

b)

40%

c)

18%

d)

28%

15.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy