Genes Containing Intervening Sequences (Or Introns)

question 57

Multiple Choice

Genes containing intervening sequences (or introns)

• A) are rare in eukaryotic cells.
• B) code for mRNA precursors which must be spliced before translation.
• C) must undergo a DNA rearrangement before expression.
• D) do not code for proteins.
• E) are common in prokaryotes.

---

Definitions:

HIV

Human Immunodeficiency Virus, a virus that attacks the immune system and can lead to Acquired Immunodeficiency Syndrome (AIDS) if not treated.

Infected

The state of having been invaded by pathogenic organisms such as bacteria, viruses, or fungi, leading to disease.

Male

A biological sex that is typically characterized by the production of small mobile gametes, specifically sperm in many species.

Sexually Transmitted Diseases

Infections that are primarily passed through person-to-person sexual contact.