DNA Is Isolated from a Virus and Found to Contain

question 161

Multiple Choice

DNA is isolated from a virus and found to contain 27% A, 27% T, 23% C and 23% G. The DNA is likely to be:

• A)contaminated with RNA.
• B)circular.
• C)single stranded.
• D)double stranded.

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Definitions:

PID

Pelvic Inflammatory Disease, an infection of the female reproductive organs.

Infertility

The inability to conceive a child after a year or more of regular sexual intercourse without using birth control.

HIV

Human Immunodeficiency Virus, a virus that attacks the immune system, specifically CD4 cells, leading to a progressive failure of the immune system if not treated.

Symptoms

Observable signs or reported sensations indicating the presence of a disease or medical condition in the body.