Scelta multipla
Which 5-carbon sugar is characteristic of RNA?
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7. DNA and Chromosome Structure
RNA
Scelta multipla
In RNA, which nitrogenous base is NOT found as a standard nucleotide component?
A
Uracil (U)
B
Adenine (A)
C
Thymine (T)
D
Guanine (G)
Guida verificata passo dopo passo1
Recall the four standard nitrogenous bases found in RNA: Adenine (A), Uracil (U), Guanine (G), and Cytosine (C).
Understand that RNA uses Uracil (U) instead of Thymine (T), which is found in DNA.
Recognize that Thymine (T) is replaced by Uracil (U) in RNA molecules, so Thymine is not a standard base in RNA.
Confirm that Adenine (A), Guanine (G), and Uracil (U) are all present in RNA as standard bases.
Conclude that the nitrogenous base NOT found in RNA as a standard nucleotide component is Thymine (T).
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