The sulfonamide antibiotics kill bacteria by
A) interfering with cell wall synthesis
B) disrupting folic acid metabolism
C) reacting with bacterial cell membranes
D) inhibiting bacterial motility
Ans: B) disrupting folic acid metabolism
Biology & Microbiology
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Indicate whether the statement is true or false.
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Tapeworms and flukes are examples of ____
a. commensalism b. mutualism c. competition d. predation e. parasitism
Biology & Microbiology
Plant defenses against herbivore grazing include
a. thorns. b. plant secondary compounds. c. mobility. d. both a and b.
Biology & Microbiology
________ permit CO2 to enter the leaf and O2 to escape
A) Stomata B) Mesophyll cells C) Thylakoids D) Chloroplasts
Biology & Microbiology