객관식
The four nitrogenous bases found in DNA are:
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7. DNA and Chromosome Structure
DNA Structure
Multiple Choice
Which set correctly lists the four nitrogenous bases found in DNA?
A
Adenine, thymine, cytosine, and uracil
B
Thymine, uracil, cytosine, and guanine
C
Adenine, thymine, cytosine, and guanine
D
Adenine, uracil, cytosine, and guanine
검증된 단계별 안내1
Recall that DNA is composed of four nitrogenous bases, which are divided into two categories: purines and pyrimidines.
Identify the purines in DNA: adenine (A) and guanine (G).
Identify the pyrimidines in DNA: cytosine (C) and thymine (T).
Remember that uracil (U) is found in RNA, not DNA, so it should not be included in the list of DNA bases.
Combine the correct bases to form the set: adenine, thymine, cytosine, and guanine.
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