AnswersFirst Semester BiologyDNA and RNA Structure

DNA and RNA Structure Answers

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Why can uracil be used as a “clue” to identify RNA in a strand?

A
Because uracil is found in both DNA and RNA.
B
Because uracil indicates a damaged DNA strand.
C
Because uracil is always paired with thymine.
D
Because uracil is unique to RNA.
2
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A single strand of DNA helix has the code ATAGGC. Which would be the complementary code on the other strand of the helix?

A
AUACCG
B
CGCTTA
C
GCGAAT
D
TATCCG
3

Which structural characteristic is seen in RNA but not in DNA?

A
double strands
B
a single strand
C
chains of nucleotides
D
a helical shape

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DNA and RNA Structure Answers — First Semester…