Four of the five drugs listed below are stimulants

Select the exception.
a. heroin
b. caffeine
c. nicotine
d. cocaine
e. amphetamine


Answer: a

Biology & Microbiology

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Mycoplasmas are classified with the gram positive firmicutes, even thought they lack a cell wall.

a. true b. false

Biology & Microbiology

Which of the following symptoms can help you recognize a person who is undergoing anaphylactic shock?

A. Immediate allergic response after a person is exposed to the allergen that can produce the following symptoms: drop in blood pressure, increased dilation of the capillaries, constriction of the bronchi and the inability to breathe. B. Immediate allergic response after a person is exposed to the allergen that can produce the following symptoms: drop in blood pressure, decreased dilation of the capillaries, constriction of the bronchi and the inability to breathe. C. Immediate allergic response after a person is exposed to the allergen that can produce the following symptoms: an increase in blood pressure, increased dilation of the capillaries, constriction of the bronchi and the inability to breathe. D. A gradual allergic response after a person is exposed to the allergen that can produce the following symptoms: drop in blood pressure, increased dilation of the capillaries, constriction of the bronchi and the inability to breathe. E. None of these are the symptoms of a person undergoing anaphylactic shock.

Biology & Microbiology

Which of the following best distinguishes rough ER and smooth ER?

Biology & Microbiology

Discuss and give several examples of the use of microbes in bioremediation.

What will be an ideal response?

Biology & Microbiology