Which statement about the cell division of prokaryotes and eukaryotes is true?
a. In both processes, genomic DNA is replicated.
b. In both processes, mitosis is a necessary step.
c. In both processes, DNA is enclosed in a nucleus.
d. In both processes, FtsZ proteins create a septum.
a. In both processes, genomic DNA is replicated.
In cell division of prokaryotes and eukaryotes genomic DNA is replicated in both processes.
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The term "segmented" refers to viruses that
A. may contain several pieces of RNA. B. have an icosahedral-shaped capsid. C. are linked together before budding out. D. have an envelope.
Four of the five processes listed below are involved
in gene action. Select the exception. a. replication b. transcription c. translation d. polymerization e. polysome activity
Which of the following statements is NOT true concerning enzymatic activity?
a. Each enzyme has a preferred pH at which the enzyme reaction rate is highest. b. Above a certain temperature, an enzyme will become denatured. c. As the temperature increases, most enzymatic reactions will still proceed at the same rate. d. Enzymatic reactions proceed quite rapidly. e. Enzyme activity increases as substrate concentration increases until the maximum rate is achieved.
Which operons are never transcribed unless activated?
a. Inducible operons b. Repressible operons c. Inducible and repressible operons