Which of the Following Is Not a Pyrimidine Base

question 42

Multiple Choice

Which of the following is not a pyrimidine base?

• A)uracil
• B)thymine
• C)adenine
• D)cytosine

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Definitions:

Age Over Sixty-Five

A demographic category specifically referring to individuals who are 65 years of age or older, often considered the standard retirement age in many countries.

Alert Times

Periods during which an individual is highly aware and vigilant, often measured in contexts of work, safety, or cognitive studies.

Evening People

Individuals who naturally prefer and perform better during the evening hours, as opposed to the morning.

Social Class

A division of a society based on social and economic status, influencing individuals' opportunities, behaviors, and life choices.