Mycobacterium tuberculosis is an obligate aerobe. In which organ would you expect to find these bacteria?

A. lung
B. intestines
C. liver
D. brain
E. kidney


A. lung

Biology & Microbiology

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A protein called actin consists of 376 amino acids. The mRNA for actin must be longer than

A. 125 nucleotides. B. 376 nucleotides. C. 1128 nucleotides D. 3384 nucleotides.

Biology & Microbiology

Very often clinically relevant information may be obtained by examining

A. a wet mount. B. the size and shape of the organism. C. the sequence of proteins. D. the transformation ability. E. a wet mount AND the size and shape of the organism.

Biology & Microbiology

It took 3 million years for the human population to reach 1 billion, 123 years to grow to 2 billion, and

12 years to grow from 6 to 7 billion.

Indicate whether the statement is true or false.

Biology & Microbiology

Which bioremediation approach involves mixing contaminated soil with water, carbon dioxide, and fertilizers in a bioreactor to stimulate biodegradation?

A) Composting B) Biopile treatment C) In situ bioremediation D) In situ hybridization E) Slurry-phase bioremediation

Biology & Microbiology