Members of which of the following genera are the most common sexually transmitted bacteria in the United States?

A. Bacteroides
B. Rickettsia
C. Chlamydia
D. Helicobacter
E. Treponema


Answer: C

Biology & Microbiology

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Treponema pallidum

A. is the organism that causes syphilis. B. is a spirochete. C. can be more easily viewed with dark-field illumination. D. has become less virulent over time. E. All of the above are correct.

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DNA damage signaling processes are essential for regulating the ________ transition within the cell cycle

Fill in the blank(s) with correct word

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What tissue type produces the tough coverings that package organs?

A. dense regular connective tissue B. collagen C. dense irregular connective tissue D. loose connective tissue E. adipose

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A white splashed (Bl/Bl) Andalausian chicken and a black (bl/bl) Andalusian chicken are crossed. The heterozygotes produced show an intermediate phenotype (blue). What inheritance pattern would this be indicative of?

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