Bryophytes absorb water and nutrients through
A) rhizomes.
B) rhizoids.
C) tracheophytes.
D) roots.
E) mycorrhizae.
B
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Plastocyanin is a
A) membrane-bound sac found in certain bacteria. B) photosynthetic pigment found in some bacteria. C) copper-containing protein in photosystem II that donates electrons to photosystem I. D) blue-green bacterium known for its unusual photoreactive complex.
Which of the following types of inhibitors is(are) likely to bind to the active site of an enzyme? Select all correct choices
A. an irreversible inhibitor B. a competitive inhibitor C. a non-competitive inhibitor
Many identical copies of genes cloned in bacteria are produced as a result of _____
A) plasmid replication B) bacterial cell replication C) transformation D) plasmid and bacterial cell replication
Which of the following statements would be consistent with the concept of sociobiology?
A. Only animals with highly developed brains can display social behavior. B. Human social behavior is quite different from the social behavior of other kinds of animals. C. There are fundamental similarities in the way all species of social animals interact. D. A person who studies the social behavior of wolves would be completely baffled by the social behavior of beavers.