Who is generally credited with the discovery of sulfanilamide as a chemotherapeutic agent?

A. Ernst Chain
B. Ernest Duchesne
C. Robert Koch
D. Gerhard Domagk


Answer: D

Biology & Microbiology

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________ is a new technique that has facilitated cell cycle studies.

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

Biology & Microbiology

A hormone, neurotransmitter or paracrine messenger must first bind to a specific _____ on the target cell

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

Biology & Microbiology

Which of the following is not true of the preliminary findings by the HMP thus far?

A. microbial antagonism prevents potential pathogens in the resident biota from causing disease B. the number of bacterial genes outnumber human genes by millions in the holobiont C. viruses have played an important role in guiding the evolution of both humans and their resident flora D. there are many more sterile sites in the human than were previously assumed

Biology & Microbiology

The color that we see when looking at a pigmented object is ________

A) the wavelengths that are absorbed by the pigmented object B) the wavelengths that are reflected or transmitted by the pigmented object C) the wavelengths that have been raised to an excited state by the pigmented object D) the wavelengths that the pigmented object created after interacting with sunlight

Biology & Microbiology