Multiple Choice
DNA is a self-replicating molecule. What structural feature of DNA accounts for its ability to replicate itself accurately?
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7. DNA and Chromosome Structure
DNA Structure
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Which of the following DNA molecules is the shortest in length?
A
A DNA fragment with 10,000 base pairs
B
A DNA fragment with 100 base pairs
C
A DNA fragment with 500 base pairs
D
A DNA fragment with 1,000 base pairs
Verified step by step guidance1
Understand that the length of a DNA molecule is directly proportional to the number of base pairs it contains. More base pairs mean a longer DNA molecule.
List the given DNA fragments and their lengths in base pairs: 10,000 bp, 100 bp, 500 bp, and 1,000 bp.
Compare the number of base pairs for each fragment to determine which has the smallest value.
Identify the DNA fragment with the fewest base pairs, as this corresponds to the shortest DNA molecule.
Conclude that the DNA fragment with 100 base pairs is the shortest among the options provided.
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