Which of the following is the best definition of "microbial antagonism"?

A) the presence of pathogens on the surface of the skin, which will invade the body through abrasions
B) the presence of normal microbiota that protect the body by competing with pathogens in a variety of ways to prevent pathogens from invading the body
C) the presence of normal microbiota that can become pathogens under certain conditions
D) the ability of microbiota to mutate into pathogens
E) the presence of resident bacteria on the surface of the body and in cavities that connect to the surface


B
Bloom's Taxonomy: Comprehension
Section: The Body's First Line of Defense
Learning Outcome: 15.7

Biology & Microbiology

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Indicate whether the statement is true or false.

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indicated by a. A. b. B. c. C. d. D. e. E.

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In a cross between a true-breeding plant bearing the dominant traits of smooth, yellow seeds and a true-breeding plant

bearing the recessive traits of wrinkled, green seeds, the offspring (F1) are all smooth and yellow and their genotype is ____. a. SSYY b. ssyy c. SsYy d. ssYY e. SSyy

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