In the accompanying figure, the structure labeled as 4 is the:a
basilar membrane.
b. tectorial membrane.
c. organ of Corti.
d. sterociliary membrane.
e. vestibular membrane.
ANSWER: b
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In oxidative phosphorylation within a prokaryote, electrons are passed through a series of carriers to an organic molecule at the end of the transport chain.
a. True b. False
Diffusion is an effective way to exchange gases over short distances, but not over large distances
A. true B. false
Entrepreneurs attempted, but failed, to harvest nuts from plantations grown in Southeast Asia. Attempts to grow Brazil nut trees in South American plantations also failed
In both cases, the trees grew vigorously, produced healthy flowers in profusion, but set no fruit. Consequently, what is the likely source of the problem? A) poor sporophyte viability B) failure to produce fertile ovules C) failure to produce pollen D) pollination failure
Hydrogen bonds
A. result in the formation of salts. B. result from the loss of neutrons by an atom. C. involve the sharing of electrons. D. are relatively weak and can be broken rather easily. E. involve the loss and gain of electrons.