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WorksheetsDNA and RNA Review
Total questions: 10
Worksheet time: 7mins
Name
Class
Date
1.
A DNA molecule is a polymer composed of subunits known as:
a)
disaccharides
b)
nucleotides
c)
ribose sugars
d)
uracil molecules
2.
What is represented in the picture?
a)
monosaccharide
b)
nucleotide
c)
amino acid
d)
fatty acid
3.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
4.
Which of the following best describes the shape of a DNA molecule?
a)
double helix
b)
single stranded.
c)
made of amino acids
d)
an irregular blob.
5.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose sugar and adenine
b)
deoxyribose sugar and a hydrogen bond
c)
deoxyribose sugar and the nucleus
d)
deoxyribose sugar and phosphate
6.
Which nucleotide always pairs with G?
a)
A
b)
C
c)
T
d)
Another G
7.
The difference between RNA and DNA are
a)
RNA has ribose sugar and DNA has deoxyribose
b)
DNA is double stranded and RNA is single stranded
c)
RNA has uracil and DNA has thymine
d)
All of the above
8.
What sugar is found in RNA?
a)
glucose
b)
deoxyribose
c)
ribose
d)
sucrose
9.
Which nitrogenous base is unique to RNA?
a)
Cytosine
b)
Adenine
c)
Thyamine
d)
Uracil
10.
True or False: RNA leaves the nucleus.
a)
True
b)
False
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