Maggie Was Told She Has a Positive Titer to Measles

question 26

Multiple Choice

Maggie was told she has a positive titer to measles.Which of the following could explain this?

• A)She was vaccinated against measles.
• B)She had measles sometime in her life.
• C)She has measles now.
• D)The test was a false positive.
• E)All of these choices are correct.

---

Definitions:

DNA Replication

The process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules.

Sister Chromatid

One of two identical copies of a chromosome that are connected by a common centromere.

Nucleosome

A structural unit of a eukaryotic chromosome, consisting of a length of DNA coiled around a core of histone proteins.

Scaffolding Proteins

Proteins that assist in the assembly of other proteins or protein complexes, often important for cellular structure and signaling pathways.