Which pollutant would most likely be the source of coliform bacteria in a stream?

(a) fertilizers from a golf course.
(b) discharge from a factory.
(c) forestry activities.
(d) sewage or animal wastes.


(b) discharge from a factory.

Biology & Microbiology

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Which virus found in the blood involves infecting certain T lymphocytes and possibly macro-phages?

a. Cytomegalovirus (CMV) b. Epstein-Barr virus (EBV) c. Rubella virus d. Human immunodeficiency virus (HIV)

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All animals capable of moving independently of the ocean currents are called ________.

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

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Define eugenics and discuss Francis Galton’s influence in the development of the fundamentally flawed ‘science.’ What will be an ideal response?

Biology & Microbiology

Nosocomial infections are most often caused by

A) Escherichia coli. B) Staphylococcus aureus. C) Enterococcus. D) Pseudomonas. E) Klebsiella.

Biology & Microbiology