Which of the following provides energy for many chemoautotrophs at the bottom of the ocean?

a. hydrogen sulfide from hydrothermal vents
b. ATP converted from sunlight
c. macromolecules from living organisms
d. nutrients from algae and bacteria


a. hydrogen sulfide from hydrothermal vents

Biology & Microbiology

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Define Ockham's razor and provide an example

What will be an ideal response?

Biology & Microbiology

Many species of bacteria live bound together by a gluelike substance that, among other things, makes up the plaque on human teeth. This is an example of a ____

a. pilus b. mass c. vesicle d. colony e. biofilm

Biology & Microbiology

Recuperating patients without symptoms; may shed viable microbes

A. Passive Carrier B. Asymptomatic Carrier C. Convalescent Carrier D. Chronic Carrier E. Incubating Carrier

Biology & Microbiology

Which of the following antivirals is not used for treatment of HSV-1 and HSV-2?

A. Acyclovir B. Famciclovir C. Interferon D. Valacyclovir E. All of the choices are correct.

Biology & Microbiology