If a pathogen penetrates nonspecific physical and chemical surface barriers, it breaks through the ________
A) first line of defense B) first and second lines of defense
C) second line of defense D) third line of defense
Answer: A
Biology & Microbiology
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The feeding biology of sponges is referred to as:
a. grazing. b. filter feeding. c. carnivory. d. deposit feeding. e. omnivory
Biology & Microbiology
The synthesis of ____ is triggered when cells bind systemin
a. gibberellin b. auxin c. jasmonate d. cytokinin e. brassinosteroids
Biology & Microbiology
Which of the following do methanogens not use to form methane?
A. Phosphate B. Acetate C. Formate D. Carbon dioxide
Biology & Microbiology
Although diversity of communities is affected by processes acting on the local level, it is also directly related to regional rates of species production and immigration.
a. true b. false
Biology & Microbiology