Who formulated the hypothesis that certain chemicals could kill microbes without harming humans was the foundation for chemotherapy?

A. Ehrlich
B. Koch
C. Gram
D. Lister
E. Pasteur


Answer: A

Biology & Microbiology

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A bacterium is infected with an experimentally constructed bacteriophage composed of the T2 phage protein coat and T4 phage DNA. The new phages produced would have _____

A) T2 protein and T4 DNA. B) T2 protein and T2 DNA. C) T4 protein and T4 DNA. D) T4 protein and T2 DNA.

Biology & Microbiology

The acceleration of microbiological processes by the addition of known active microorganisms to soils, waters, or other complex systems is called ________.

What will be an ideal response?

Biology & Microbiology

What benefits would cause an athlete to risk taking erythropoietin or a similar drug?

What will be an ideal response?

Biology & Microbiology

Which kind of T cells regulate the immune response by producing stimulatory lymphokines?

A. cytotoxic T cells (TC) B. suppressor T cells (TS) C. helper T cells (TH) D. memory T cells (TM)

Biology & Microbiology