The causative agent of cat-scratch disease is

a) Clostridium perfringens.
b) Bacillus anthracis.
c) Bartonella henselae.
d) Toxoplasma gondii.


Ans: c) Bartonella henselae.

Biology & Microbiology

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pH is a measure of

(a) an enzyme’s effectiveness. (b) enzyme concentration. (c) hydrogen ion concentration. (d) none of the above.

Biology & Microbiology

The disease caused by Wuchereria bancrofti is most commonly found in persons who

a. eat undercooked beef. b. walk barefoot in a rice field. c. eat undercooked pork. d. are bitten by mosquitoes. e. eat undercooked fish.

Biology & Microbiology

In a cDNA library, not all expressed genes will be represented. On what does this depend?

What will be an ideal response?

Biology & Microbiology

Science may be conducted using a process called the scientific method

Indicate whether the statement is true or false

Biology & Microbiology