The sex of mammals is determined by
A. the autosomes they receive.
B. the type of sex chromosomes received.
C. the number of recessive chromosomes received.
D. None of these answers is or may be a factor.
B. the type of sex chromosomes received.
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A saprobe differs from a parasite in that
A. a saprobe has the ability to undergo meiosis to produce sexual spores, but a parasite can only perform mitosis to produce asexual spores. B. a saprobe has a pseudohyphae morphology, but a parasite has true hyphae. C. a saprobe derives nutrients from dead plants and animals, but a parasite derives nutrients from living plants and animals. D. a saprobe is a fungus, but a parasite is a protozoan.
Cole is stung by a bee. Within a few minutes, there is swelling at the site of the sting. All of
the following are part of the inflammatory response EXCEPT
a. the release of histamines. b. leaking capillaries. c. the migration of phagocytes to the site. d. the production of memory cells.
In the expression 2H2S + 3O2 ® 2H2O + SO2, which is the acid?
A. H2S B. O2 C. SO2 D. H2O
Select the best response to the question. ? ?Which of the following patients presenting with diarrhea is at high risk of having ?Clostridium difficile ?colitis?
A) a patient who ate contaminated food B) a patient taking antibiotics for pneumonia C) a patient who recently traveled to South America D) a patient taking high doses of anti-inflammatory medications