Macrophages

question 37

Multiple Choice

Macrophages

• A) are derived from basophils.
• B) reduce the inflammatory response.
• C) are responsible for most phagocytic activity in the late stages of an infection.
• D) produce cytokines that aid in the destruction of antigens.
• E) are the first at the site of infection.

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Definitions:

Ribosome

Complex molecular machines in cells that synthesize proteins by translating messenger RNA into amino acid sequences.

Binding Sites

Specific regions on molecules (e.g., enzymes, receptors) where other molecules (e.g., substrates, ligands) can attach or bind.

tRNAs

Small RNA molecules that transport amino acids to the ribosome during protein synthesis according to the sequence of a messenger RNA (mRNA) transcript.

RNA Polymerase

An enzyme that catalyzes the synthesis of RNA from a DNA template.