AP BIOLOGY

THE MOLECULAR BASIS OF INHERITANCE

STRUCTURE OF NUCLEIC ACIDS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In RNA, thymine is replaced by:
A
Adenine
B
Guanine
C
Thymine
D
Uracil
Explanation: 

Detailed explanation-1: -DNA (top) includes thymine (red); in RNA (bottom), thymine is replaced with uracil (yellow).

Detailed explanation-2: -DNA (top) includes thymine (red); in RNA (bottom), thymine is replaced with uracil (yellow). Learn Science at Scitable.

Detailed explanation-3: -In DNA, the uracil nucleobase is replaced by thymine (T). Uracil is a demethylated form of thymine.

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