The M Protein of Streptococcus Pyogenes

question 6

Multiple Choice

The M protein of Streptococcus pyogenes

• A)is the basis for the organism belonging to Lancefield Group A.
• B)gives rise to a zone of beta hemolysis on blood agar.
• C)protects against phagocytosis and enhances adherence.
• D)is also called streptokinase.
• E)protects against lysozyme damage.

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Definitions:

Prions

Misfolded proteins that can induce normal proteins to also misfold, leading to diseases in the nervous system.

Proteins

Complex molecules made of amino acids that perform a vast array of functions in living organisms, such as catalyzing metabolic reactions, DNA replication, responding to stimuli, and transporting molecules.

Organic Molecule

A compound containing carbon atoms covalently bonded to hydrogen atoms, often along with other elements such as oxygen and nitrogen, and found in living organisms.

Hydrogen

The lightest and most abundant chemical element in the universe, with symbol H and atomic number 1, commonly found in water and organic compounds.