Which of the following is (are) an example(s) of
prokaryotes?
a. all protists
b. some fungi
c. all algae
d. all bacteria
e. all of these
Answer: d
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Which does NOT occur in prophase I of meiosis?
a. cytokinesis b. formation of groups of four chromatids c. homologue pairing d. crossing over e. condensation of chromatin
CapZ
A) causes microfilaments to lengthen by assembly at their plus ends. B) depolymerizes microfilaments at their plus ends. C) prevents assembly and disassembly at microfilament plus ends. D) forms microfilament branches. E) connects microfilaments to microtubules.
Which of the following does not contribute to shifts in our normal microbiota?
A) our general environment B) hormonal changes C) diet D) age E) proper hand-washing technique
Characteristics of all the members of the family Enterobacteriaceae include
A. ferment lactose. B. are normal flora of human intestines. C. produce enterotoxins. D. ferment glucose. E. All of the choices are correct.