An individual's ability to fight off infection is called:

A) virulence.
B) immunity.
C) host resistance.
D) communicability.


Answer: C) host resistance.

Biology & Microbiology

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How are leaf-dropping in trees and colour change in the coat of the Artic fox related?

a. They are examples found in dark-dependent organisms. b. They are examples of adaptation to climate. c. They are examples found in organisms that live in the same area. d. They are examples of photoperiod-dependent phenomena.

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Which essential plant nutrient is used to synthesize DNA?

A. phosphorus B. potassium C. magnesium D. calcium

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The M protein enhances the virulence of Streptococcus by preventing phagocytosis

Indicate whether the statement is true or false

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