For gas exchange to occur quickly and efficiently, which type of epithelium must be present on all
respiratory surfaces?
a. pseudostratified columnar epithelium
b. simple squamous epithelium
c. ciliated columnar epithelium
d. stratified squamous epithelium
e. ciliated squamous epithelium
B
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All are true of oyster reefs except
a. they are oriented perpendicular to currents. b. they are concentrated in lower salinity areas. c. they are important habitats for other organisms. d. they are adversely affected by rapid changes in salinity. e. they are increasing in the Chesapeake Bay.
Characterize the action of interferons
What will be an ideal response?
Phylogeny is the apparent
a. name of an organism. b. ancestry of an organism. c. nomenclature. d. dichotomy of a system of classification.
The mitochondrion harnesses the energy of the flow
of __________ from its __________ compartment to its __________ compartment to generate ATP. a. CO2; outer; inner b. H+; outer; inner c. H+; inner; outer d. H2O2; outer; inner e. CO2; inner; outer