Which organism is indole and gelatin positive but does not have the ability to oxidize mannitol?
a. S. multivorum
b. CDC group O-1
c. E. brevis
d. E. meningoseptica
C
Although both E. brevis and E. meningoseptica are positive for indole and gelatin, E. brevis cannot oxidize mannitol, whereas E. meningoseptica can.
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In DNA profiles, the pattern of bands is _____
a. due to variations in restriction enzyme recognition sites in plasmid DNA b. identical in all individuals c. due to variations in STR alleles between individuals d. due to the presence of transgenes e. possible only when copious quantities of DNA are available
The coronary arteries supply blood to cardiac tissue. Which chamber of the heart requires the greatest amount of blood supply to keep it working?
A) right ventricle B) left ventricle C) left atrium D) right atrium
A nucleated, green cell that moves by means of flagella is a(n)
A) Alga. B) Bacterium. C) Fungus. D) Helminth. E) Virus.
Which of the following yeasts is not pathogenic to humans?
A. Cryptococcus B. Candida C. Saccharomyces and Cryptococcus D. Saccharomyces