객관식
Which nitrogenous base is found in RNA but not in DNA?
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7. DNA and Chromosome Structure
RNA
Multiple Choice
Which nitrogenous base is found in RNA but not in DNA?
A
Cytosine
B
Thymine
C
Adenine
D
Uracil
검증된 단계별 안내1
Recall the four nitrogenous bases found in DNA: Adenine (A), Thymine (T), Cytosine (C), and Guanine (G).
Recall the four nitrogenous bases found in RNA: Adenine (A), Uracil (U), Cytosine (C), and Guanine (G).
Compare the bases in DNA and RNA to identify which base is unique to RNA and not present in DNA.
Note that Thymine (T) is found in DNA but replaced by Uracil (U) in RNA.
Conclude that Uracil is the nitrogenous base found in RNA but not in DNA.
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