Bryophytes are a:
A. monophyletic group of land plants.
B. paraphyletic group of land plants.
C. polyphyletic group of land plants.
D. unrelated group of land plants.
E. group of photosynthetic algae who are the
ancestors of land plants.
B
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The cell types that lack a membrane-bound nucleus are found in the
A. eukaryotes. B. prokaryotes. C. archaea. D. protista. E. prokaryotes AND archaea.
Fleshy fruits, such as blueberries, usually aid seed dispersal by
a. catching in the hair or feathers of animals. b. being buried by animals. c. falling directly under the parent plant. d. floating away from the parent plant. e. being eaten by animals.
According to the above figure, which letter corresponds to the area where amino acids are most likely to be reabsorbed?
A. A B. B C. C D. D E. E
Which of the following statements about autoinducers is incorrect?
A. They bind directly to DNA to activate transcription. B. They can activate the cell that secreted them. C. N-acylated homoserine lactones are autoinducers in gram-negative cells. D. Autoinducers may stimulate the production of virulence factors