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WorksheetsDNA Structure and Function
Total questions: 10
Worksheet time: 9mins
Name
Class
Date
1.
Which of the following is not a component of DNA?
a)
5 Carbon Sugar
b)
Phosphate Group
c)
Carbon Base
d)
Nitrogen Base
2.
Which of the following is not a nitrogen base found in DNA?
a)
Thymine
b)
Uracil
c)
Guanine
d)
Adenine
3.
According to Chargaff's rule, Cytosine always pair with
a)
Adenine
b)
Uracil
c)
Thymine
d)
Gaunine
4.
What is the significance of the sequence (order) of the Nitrogen Bases in DNA?
a)
The order of the Nitrogen Bases determines the number of chromosomes present in an organism.
b)
The order of the Nitrogen Bases determines the traits that an organism will possess (have).
c)
The order of the Nitrogen Bases determines the gender of an organism.
d)
The order of the Nitrogen Bases determines whether an organism is abiotic biotic.
5.
Which of the following would be determined by the order of the Nitrogen Bases in your DNA?
a)
Your Gender.
b)
The Number of Chromosomes you have.
c)
Your hair color.
d)
The number of siblings you will have.
6.
The twisted ladder shape of DNA is known as a
a)
Double Helix
b)
Triple Helix
c)
Single Helix
d)
Triple Helix
7.
Assume that you have straight hair and your sibling has curly hair. What accounts for this difference?
a)
You have DNA and your sibling does not.
b)
The your sequence of nitrogen bases is different than your sibling.
c)
Your sibling has a weave.
d)
Your sibling has a genetic mutation.
8.
How is the instructions for your traits carried on a DNA molecule?
a)
Sequence of the nitrogen bases
b)
In the 5 Carbon Sugar
c)
In the bond between the phosphate and the sugar
d)
In the phosphate group
9.
What is meant by the phrase "DNA is universal"?
a)
All organisms possess DNA made up of the same 3 components.
b)
All organisms share the exact same DNA
c)
DNA can be found throughout the universe
d)
DNA is found in Prokaryotes, Eukaryotes, and Viruses
10.
Which answer choice would by complementary (match up) with the DNA strand
ATGCATTCGA
ATGCATTCGA
a)
ATGCATTCGA
b)
TACGTAAGCT
c)
TACCTAAGGA
d)
ATGCCATGAA
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