Innate effector phagocytes are coated with opsonin receptors and receptors to pathogen-associated molecular patterns (PAMPs). These PAMP receptors are collectively called:

a. PRRs
b. complement receptors
c. TLRs
d. LPS receptors


Answer: a. PRRs

Biology & Microbiology

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Which of the following statements is FALSE?

A) A flagellar protein subunit is flagellin. B) In flagellar motion, the basal body acts as a motor. C) Flagellar rotation generates ATP. D) The hook is the wider region at the base of the flagellum.

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Oak trees and many other plant species have years in which they have synchronous production of many progeny by all individuals in a population. This is known as

A. sympatry. B. crypsis. C. armorment. D. masting. E. None of the choices are correct.

Biology & Microbiology

The dodo

a. is a large, flightless bird. b. became extinct at human hands. c. lived only on Mauritius. d. was plentiful in the year 1600 e. includes all of these descriptions.

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An example of a density-independent factor is predation. Indicate whether the statement is true or false

Biology & Microbiology