Indigenous microbiota may be found in all of the following environments EXCEPT:

a. the upper respiratory tract
b. the pharynx
c. the vagina
d. the blood


d. the blood

Biology & Microbiology

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An open space within the gastrula is the _____

A) ectoderm B) mesoderm C) archenteron D) endoderm E) neural crest cells

Biology & Microbiology

Julie points to her book on a shelf and says, "down." Her expression is an example of a(n) _________

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Which of the following is not true of the regulation of translation initiation in eukaryotes?

A. Repressors bind to the 3' untranslated region of mRNA. B. Repressors bind to initiation factors. C. Repressors bind to translational start sites of mRNA. D. Repressors bind to translational release factors.

Biology & Microbiology

Which of the following statements about atherosclerosis is false? a. Both high-fat diets and genetics influence the development of the disease

b. A heart attack occurs when a cardiac artery is completely blocked. c. High HDL levels in blood increase risk of atherosclerosis. d. Buildup of lipids in the arterial wall narrows the lumen.

Biology & Microbiology