Which mechanisms are similar in prokaryotic and eukaryotic transcription of mRNA?
A. processing of mRNA
B. recruitment of RNA polymerase to DNA
C. RNA synthesis
D. transcription termination
Ans:
B. recruitment of RNA polymerase to DNA
C. RNA synthesis
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In mitosis, the main difference between plant and animal cells is that
A. plants do not undergo cytokinesis. B. plants produce a cell plate to segregate the daughter nuclei, while animals form a cleavage furrow. C. plants have a central vacuole, while animal cells do not. D. plants produce a cell membrane in cytokinesis, while animals form a cell plate. E. in plants, kinetochore microtubules shorten and draw chromosomes toward the poles; in animals, polar microtubules lengthen to push chromatids apart.
One way in which monocots and eudicots differ is in ____
a. having the capacity to bear seeds b. their types of tissues c. their organ systems d. their pattern of tissue organization e. having vascular bundles
What could cause the same hormone to have a different effect?
What will be an ideal response?
Microscopic examination of a bacterial culture reveals a variety of curved, motile bacterial cells. What genera could be suspected at this point?
> Vibrio > Campylobacter > Helicobacter > Escherichia > Salmonella