B Cells Secrete Antibodies When They

question 25

Multiple Choice

B cells secrete antibodies when they

• A) bind antigens.
• B) are engulfed by macrophages.
• C) become T cells.
• D) are stimulated by activated T cells.
• E) undergo apoptosis.

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Definitions:

DNA

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

Chromosome

A thread-like structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.

Nucleus

The membrane-bound organelle in eukaryotic cells that contains genetic material (DNA).

Second Meiotic Division

The second phase of meiosis where sister chromatids are separated, resulting in the formation of four haploid daughter cells from the initial diploid cell.