What type of animal uses Malpighian tubules for excretion?
A. mammals
B. birds
C. fish
D. insects
Answer: D
Biology & Microbiology
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The most common infectious disease in humans is ________.
A. dental caries B. diarrhea C. pharyngitis D. the common cold E. gastritis
Biology & Microbiology
A(n) exergonic reaction results in a net gain of free energy
__________________ Indicate whether the statement is true or false.
Biology & Microbiology
Members of what group are multicellular producers?
A. Animals B. Protists C. Fungi D. Plants E. Bacteria
Biology & Microbiology
Inhibition of an enzyme is irreversible when
A) a competitive inhibitor is involved. B) a noncompetitive inhibitor is involved. C) there is an abundance of substrate. D) covalent bonds form between inhibitor and enzyme.
Biology & Microbiology