All Cells in the Body Can Get Infected, and When

question 19

Multiple Choice

All cells in the body can get infected, and when infected, a cell presents the antigen of the infection. In which molecule does it present the antigen, and which type of cell responds?

• A)class II molecule, CD4+ T cell
• B)class I molecule, CD8+ T cell
• C)immunoglobulin, NK cell
• D)PAMP, PRRs

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Definitions:

Complementary

Elements, items, or substances that, when brought together, enhance each other's properties or complete something.

DNA

Deoxyribonucleic acid, a molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of all known living organisms and many viruses.

Codon

A sequence of three nucleotides in messenger RNA that specifies the addition of a particular amino acid in the synthesis of proteins.

Amino Acid

Organic compounds that serve as the building blocks of proteins, containing both an amino group and a carboxyl group.