X-Linked Agammaglobulinemia Results from a Defect In

question 3

Multiple Choice

X-linked agammaglobulinemia results from a defect in:

• A) IL-7 gene
• B) BTK gene
• C) BLyS gene
• D) CD22 gene

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Definitions:

Membrane Signaling Proteins

Proteins located on or within cell membranes that transmit signals from outside to inside the cell.

Cytoplasm

The gel-like substance within a cell, excluding the nucleus, where most cellular activities occur, including many metabolic pathways.

Progesterone

A steroid hormone secreted by the corpus luteum, which prepares the uterus for pregnancy.

FSH Secretion

The release of Follicle Stimulating Hormone, a gonadotropic hormone, by the anterior pituitary gland, involved in reproductive processes.