DNA Isolated from Human Cheek Cells Was Found to Contain

question 64

Multiple Choice

DNA isolated from human cheek cells was found to contain 21% guanine. Which statement concerning the base composition of this DNA sample is true?

• A)It contains 79% cytosine.
• B)It contains 21% adenine,21% cytosine,and 21% thymine.
• C)It contains 21% cytosine,29% adenine,and 29% thymine.
• D)It is impossible to say anything specific about the percentages of adenine,cytosine,and thymine without further analysis of composition.

---

Definitions:

Equal Ability

The concept that individuals or groups possess the same level of skill, talent, or capability in a particular area or in general.

Variety Of Conditions

A broad spectrum or range of circumstances, situations, or health disorders.

Repeatedly

Doing something over and over again.

Concept Check

A method used to assess understanding of a particular concept or topic, often through questions or brief assessments.