Question

Which of the following is found in RNA but not DNA?
Group of answer choices

thymine

uracil

guanine

adenine

Answer 1

Answer:

$\boxed {\tt Uracil}$

Explanation:

The nitrogenous bases in deoxyribonucleic acid, or DNA are:

• Thymine (T)
• Cytosine (C)
• Adenine (A)
• Guanine (G)

The nitrogenous bases in ribonucleic acid, or RNA are:

• Uracil (U)
• Cytosine (C)
• Adenine (A)
• Guanine (G)

When we compare the lists, we notice that RNA contains uracil instead of the thymine in DNA. Therefore, the correct answer is B. Uracil

Answer 2

Answer:

uracil

Explanation:

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