Bacilli are ________ prokaryotes
A) spherical
B) comma-shaped
C) rod-shaped
D) spiral
C
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Which of the following statements best explains why microbial geneticists initially focused on regulation of gene expression at the transcriptional, rather than the translational, level?
A. The process of transcription was best understood by researchers at the time. B. The process of synthesizing an mRNA transcript is much less complex than translation of mRNA into protein. C. Cellular regulation of transcription is common to all prokaryotic cells. D. By regulating the first step of protein synthesis, cells conserve the greatest amount of energy.
A condition called ____________________ results in individuals having both male and female sexual structures at
different times in their lives Fill in the blank(s) with the appropriate word(s).
In early spring 2009, the CDC reported several dozen cases of novel H1N1 influenza ("swine flu") in the United States. By the summer, the number of confirmed cases was reported as over 40,000. The pattern of novel H1N1 cases in the United States
represents a(n) ________ disease. A) epidemic B) endemic C) sporadic D) pandemic E) opportunistic
The system of fungal filaments that penetrates and grows through the substrate is called a(n)
A. hyphal compartment. B. mycelium. C. mushroom. D. exoskeleton. E. sporangium.