Who proposed the concept of chemotherapy, that compounds might selectively kill pathogens without harming people?

A) Gerhard Domagk
B) Alexander Fleming
C) Paul Ehrlich
D) Selman Waksman
E) Joseph Lister


C

Biology & Microbiology

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In a phenomenon known as satelliting, tiny colonies of Haemophilus spp. may be observed growing on sheep blood agar close to colonies of bacteria that can produce:

a. hemin. b. NAD. c. vitamin K. d. cystine.

Biology & Microbiology

Identify the stage of mitosis shown in panel D

a. interphase b. prophase c. metaphase d. anaphase e. telophase

Biology & Microbiology

Which of the following is NOT a form of passive

transport? a. osmosis b. facilitated diffusion c. simple diffusion d. exocytosis e. none of these

Biology & Microbiology

Asexual reproduction in sac fungi involves production of spores called:a

asci. b. basidia. c. gemmae. d. conidiophores. e. conidia.

Biology & Microbiology