Why Is Thymine Used in DNA Rather Than Uracil

question 89

Multiple Choice

Why is thymine used in DNA rather than uracil?

• A) Thymine is more hydrophobic, so it stacks better in the helix.
• B) If cytosine is deaminated, it forms uracil, which can be easily distinguished from thymine.
• C) Thymine is not capable of wobbling, so it pairs more accurately than uracil.
• D) All of these are correct.

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Definitions:

Legislator

An elected official who is involved in the process of making or enacting laws.

Persuade

The action of convincing someone to do or believe something through reasoning or the use of temptation.

Facts

Information that is verifiable, objectively true, and supported by solid evidence.

Johnson Amendment

A provision in U.S. tax code prohibiting 501(c)(3) nonprofit organizations from endorsing or opposing political candidates.