Multiple Choice
Which of the following molecules contains an amino group?
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3. Chemical Reactions
Functional Groups in Chemistry
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Which of the following bases are found in RNA?
A
Adenine, guanine, uracil, and thymine
B
Adenine, guanine, cytosine, and thymine
C
Adenine, guanine, cytosine, and uracil
D
Guanine, cytosine, thymine, and uracil
Verified step by step guidance1
Recall that RNA (ribonucleic acid) is composed of four nitrogenous bases: adenine (A), guanine (G), cytosine (C), and uracil (U).
Understand that thymine (T) is a base found in DNA, not RNA. In RNA, uracil replaces thymine.
Identify the bases listed in each option and compare them to the known RNA bases: A, G, C, and U.
Eliminate any options that include thymine, since thymine is not present in RNA.
Confirm that the correct set of bases for RNA is adenine, guanine, cytosine, and uracil.
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