The person responsible for the current scheme for grouping organisms is

A. Aristotle.
B. Darwin.
C. Linnaeus.
D. Malthus.


Answer: C

Biology & Microbiology

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Match the following items with the correct phrases.

_______1. Measles _______2. Viral hemorrhagic fever _______3. Chickenpox _______4. Smallpox _______5. Cold sores A) Ebola virus B) Herpes simplex virus C) Variola virus D) Varicella-zoster virus E) Rubeola virus

Biology & Microbiology

The drug ________ is added to mouse cell cultures to select against transformants that do not have the desired gene knockout

A) ampicillin B) kanamycin C) neomycin D) G418 E) ganciclovir

Biology & Microbiology

Why do diseases involving widespread infection often result in a fever?

A) The inflammatory and immune responses result in extra heat production. B) The microorganisms trick the brain's temperature control center into creating a hot environment that favors their growth. C) The brain's temperature control center responds to inflammation by creating a hot environment unfavorable to the growth of microorganisms. D) The inflammatory response result is less heat production.

Biology & Microbiology

Messenger RNA editing is an example of gene expression at the _________ level.

a) preternatural b) post-translational c) post-transcriptional d) translational e) transcriptional

Biology & Microbiology