Which of the following microorganisms is NOT transmitted by sexual activities?

A) Neisseria gonorrhoeae
B) Herpes Simplex Virus
C) Trichomonas vaginalis
D) Trepnema pallidum
E) Helicobacter pylori


Ans: E) Helicobacter pylori

Biology & Microbiology

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Explain this statement: "There is bias in the fossil record." What will be an ideal response?

Biology & Microbiology

A cell that completed the cell cycle WITHOUT undergoing cytokinesis would be what?

A) have less genetic material than it started with
B) not have completed anaphase
C) have its chromosomes lined up in the middle of the cell
D) have two nuclei

Biology & Microbiology

________ inhibitors bind the enzyme at a location other than the active site but still interfere with product formation.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Which of the following is not true regarding the decimal reduction time?

A. Once the number of organisms has been reduced to 10%, the killing may slow due to resistant strains that remain in the population B. It is the time taken to reduce the number of pathogens in a sample by one log cycle C. It is a measure of the effective concentration of disinfectant that kills within a specific time period D. The Z value is the temperature equivalent of the D value

Biology & Microbiology