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DNA Structure Review
Test Description: Review the structure of DNA for the second semester exam
Instructions: Answer all questions to get your test result.
1) The DNA molecule is made up monomers called
A
Monosaccharides
B
Nucleotides
C
Fatty acids
D
Amino Acids
2) DNA has a ___________ __________ shape.
A
Double helix
B
Helix
C
Spiral
D
Double spiral
3) The base pairing of DNA is
A
C-G and T-U
B
C-G and A-T
C
C-A and G-T
D
C-G and A-C
4) Which base is replaced with uracil in RNA
A
Cytosine
B
Guanine
C
Thymine
D
Adenine
5) The base are held together by ____________ bonds.
A
Covalent
B
Hydrogen
C
Ionic
D
Strong
6) The two bases that are pyrimidines are
A
Cytosine and Guanine
B
Thymine and Cytosine
C
Thymine and Adenine
D
Guanine and Thymine
7) Which would be a nucleotide of RNA?
A
Ribose, Cytosine, oxygen group
B
Ribose, Thymine, phosphate group
C
Deoxyribose, Urcil, phosphate group
D
Ribose, Adenine, phosphate group
8) DNA strands run in opposite directions; this is called ______________
A
Antiopposite
B
Opposite parallel
C
Double helix
D
Antiparallel
9) The complimentary DNA strand to CTTGATA would be
A
GAACTUT
B
GAACATA
C
GAACTAT
D
GUUCTAT
10) The scientists who used bacteriophage to confirm DNA carry genetic information
A
Watson and Crick
B
Hershey and Chase
C
Franklin and Watson
D
Avery and Griffith
11) The roles of DNA are
A
Copy information
B
All of the above
C
Transmitting information
D
Store information
*select an answer for all questions
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