Actual gas exchange occurs through the walls of which type of vessel?
a. arteries
b. arterioles
c. capillaries
d. veins
e. venules
C
Biology & Microbiology
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What cannot be determined from examining age pyramids of human populations?
A) the future population size B) the age structure of the population C) the success of future generations D) the fecundity of a future population
Biology & Microbiology
Which cells relay messages from photoreceptor cells to non-photoreceptor cells?
a. optic ganglion cells b. amacrine cells c. bipolar cells d. rods and cones e. horizontal cells
Biology & Microbiology
glycolysis releases energy, so it is _____
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
The microbe which causes primary atypical pneumonia is
A) Bordetella pertussis. B) MERS. C) Chlamydophila pneumoniae. D) Mycoplasma pneumoniae. E) SARS.
Biology & Microbiology