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