Vacuoles are _________ in plant cells than in animal cells.
a) smaller
b) larger
Ans: b) larger
Biology & Microbiology
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Consider the life cycle shown in Figure 27-2. If the boxes labeled “n” and “2n” represent multicellular structures, this life cycle could be representative of all of the following except:
a. ferns
b. club mosses.
c. horsetails.
d. hornworts.
e. algae
Biology & Microbiology
Proteus species often cause urinary tract infections.
a. true b. false
Biology & Microbiology
The signal molecule produced in quorum sensing is
a. A counterstain. b. An inducer. c. Light. d. A simple stain. e. An endospore.
Biology & Microbiology
Which of the following is not usually an independent domain of an activator transcription factor?
a. ATPase b. dimerization c. DNA-binding d. transcription activation e. All of these are potential independent domains of an activator.
Biology & Microbiology