Endospores
A. are a form of reproduction.
B. are a dormant form of a bacterium.
C. are formed by members of medically relevant groups of bacteria.
D. are involved in anaerobic respiration.
E. are a dormant form of a bacterium AND are formed by members of medically relevant groups of bacteria.
E
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The pads that cushion the vertebrae are made of
A) fat. B) cartilage. C) matrix. D) smooth muscle tissue. E) bone.
Renin is a protein that is released into the bloodstream by the _________ in response to changes in __________.
A) kidneys, blood pressure B) liver, acid-base balance C) pancreas, insulin levels D) hypothalamus, body temperature
A sample of fluid from the lungs contains microbes that grow in filaments or clumps. The cells stain poorly in the Gram stain and are a pink-red when acid-fast stained. The bacteria in the sample are
A) Mycobacterium species. B) Mycoplasma species. C) Nocardia species. D) Actinomyces species. E) not identifiable with this information.
Humans function primarily at which trophic levels?
A) primary consumers; secondary consumers B) producers; primary consumers C) all trophic levels D) secondary consumers; tertiary consumers