The IgG Antibody Molecule Consists of Which Molecular Structure

question 78

Multiple Choice

The IgG antibody molecule consists of which molecular structure?

• A) a covalent tetramer of mu chains
• B) two light chains and two gamma chains held together by disulfide bonds
• C) a pentamer consisting of subunits containing two light chains and two alpha chains
• D) two kappa chains, one gamma chain and one mu chain held together by disulfide bonds

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Definitions:

Monosaccharides

The simplest form of carbohydrates, consisting of single sugar molecules like glucose and fructose, serving as fundamental energy sources.

Catabolism

All of the decomposition reactions that occur in the body; releases energy.

Glycolysis

A metabolic process that breaks down glucose to produce energy in the form of ATP.

Pyruvate

Pyruvate is a key intermediate in several metabolic pathways, including glycolysis, where it can be converted into acetyl-CoA for entry into the Krebs cycle or used for gluconeogenesis.