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WorksheetsU5 DNA Structure Quiz
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
1. What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
2.
2. What makes up a nucleotide?
a)
sugar, oxygen, and nitrogen base
b)
sugar, hydrogen, and nitrogen base
c)
sugar, phosphate, and hydrogen
d)
sugar, phosphate, and nitrogen base
3.
2. What makes up a nucleotide of DNA?
a)
sugar, oxygen, and nitrogen base
b)
Deoxyribose Sugar, Phosphate, and Nitrogenous base
c)
sugar, hydrogen, and nitrogen base
d)
sugar, phosphate, and hydrogen
4.
3. Which nitrogen base pairs with adenine?
a)
cytosine
b)
pyrimidine
c)
thymine
d)
guanine
5.
4. What kind of bonds connect the two strands of DNA at the nitrogen bases?
a)
hydrogen
b)
covalent
c)
ionic
d)
van der wals
6.
4. What kind of bonds connect the phosphate group to the (deoxy) ribose sugar?
a)
hydrogen
b)
covalent
c)
ionic
d)
van der wals
7.
6. If a strand of DNA reads ATT GGC CAT, what is the complementary strand?
a)
TGG TTA AGG
b)
TAA CGA GGA
c)
TAA CCG GTA
d)
TAA CCG AAT
8.
10. DNA must stay in the ________________ of the cell.
a)
cytoplasm
b)
cell membrane
c)
nucleus
d)
vacuole
9.
What is the purpose of the sugar phosphate backbone?
a)
code for genes
b)
structure and support
c)
holds the nitrogen bases together weakly
d)
makes you unique from others
10.
How do we often describe the structure of DNA?
a)
single strand
b)
circular pattern
c)
double helix
d)
box pattern
11.
If a DNA molecule contains 30% thymine what is the percent of adenine in the same polymer?
a)
40%
b)
20%
c)
30%
12.
Which of the following is not a nitrogen base found in DNA?
a)
Thymine
b)
Uracil
c)
Guanine
d)
Adenine
13.
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.
14.
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 genetic mutation.
15.
What is the yellow box (or box hovering over the PO4H Group)
a)
Adenine
b)
Guanine
c)
Sugar
d)
Phosphate Group
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