Nucleic Acid Structure and Base Pairing (1B)
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QUESTION
Identify the complementary DNA strand to
5
′
-AGTC-
3
′
5'\text{-AGTC-}3'
5
′
-AGTC-
3
′
(write
5
′
→
3
′
5' \rightarrow 3'
5
′
→
3
′
).
QUESTION
Identify the complementary RNA strand to
5
′
-AUGC-
3
′
5'\text{-AUGC-}3'
5
′
-AUGC-
3
′
(write
5
′
→
3
′
5' \rightarrow 3'
5
′
→
3
′
).
QUESTION
If double-stranded DNA is
40
%
40\%
40%
guanine, what percentage is cytosine?
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ANSWER
40
%
40\%
40%
. In double-stranded DNA, guanine pairs equally with cytosine, so their percentages match due to base pairing rules.
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