The exchange of gases across a respiratory surface always occurs by
A. diffusion.
B. facilitated transport.
C. bulk flow.
D. active transport.
E. osmosis.
A. diffusion.
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A. extracellular matrix B. DNA processing enzymes C. cytoskeleton D. organelles E. cell wall
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A. the same size as B. ten times smaller than C. ten times larger than
The grouping "conidial fungi," also known as "imperfect fungi" or deuteromycetes, is a convenience
grouping for fungi that are not classified in other groups, because the conidial fungi
a. have no known sexual phase. b. are unicellular. c. have a dikaryotic phase in their life cycle. d. have a haploid phase in their life cycle. e. lack a cell wall.
Taste buds that are more sensitive to sweet flavors than to others are located ________
A) on the tip of the tongue B) on the back of the tongue C) on the side of the tongue D) all over the tongue, as sensitivity to sweet is distributed throughout the tongue