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Animation Quiz - DNA Structure
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View the animation below, then complete the quiz to test your knowledge of the concept.






1The correct structure of DNA components can be presented as
A)phosphate–base–sugar.
B)phosphate–sugar–base.
C)base–phosphate–sugar.
D)phosphate–sugar–phosphate–base.
E)base–sugar–phosphate–base.



2Which of the following is a characteristic of double-stranded DNA?
A)2 nanometers in width
B)10 base pairs per turn
C)0.34 nanometers per basepair
D)A and B
E)A, B and C



3Which of the following DNA molecules is the most stable?
A)CTGCATAC
GACGTATG
B)GAAATTTC
CTTTAAAG
C)AGTCGAAT
TCAGCTTA
D)GCGTGCAC
CGCACGTG
E)GGATCCTG
CCTAGGAC



4Doubled-stranded DNA consists of two antiparallel strands, meaning that one strand is oriented in the 5’ to 3’ direction, while the other is oriented in the 3’ to 5’ direction.
A)True
B)False



5Asymmetrical spacing of the backbones of the DNA double helix generates major and minor grooves.
A)True
B)False







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