The pathogenicity of which of the following is not the result of lysogeny?

A) Clostridium tetani
B) Vibrio cholerae
C) Corynebacterium diphtheriae
D) Clostridium botulinum
E) Streptococcus pyogenes


Ans: A) Clostridium tetani

Biology & Microbiology

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Which one of the following diseases is caused by a virus?

A) rabies B) Lyme disease C) syphilis D) toxic shock syndrome E) tuberculosis

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Where are the visual centers located?

A) in the temporal lobes of the cerebral cortex B) in the occipital lobes of the cerebral cortex C) in the lobes of the cerebral cortex D) in the parietal lobes of the cerebral cortex

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The relative number of reproductively viable offspring produced by individuals is called ________

A) immigration B) homology C) taxonomy D) fitness

Biology & Microbiology

What compound is the most abundant in a cell

A. CO2 B. CH4 C. H2O D. Glucose E. NH3

Biology & Microbiology