Which of the following molecules inhibits bacterial transcription by prevention of promoter clearance?

A. ?-amanitin
B. actinomycin D
C. rifampicin
D. acridine
E. ethidium bromide


C

Biology & Microbiology

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The ustilaginomycete Ustilago maydis is ________; plant-associated fungi grow in the ________ form but are yeastlike in the external environment.

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

Biology & Microbiology

Identify the role of water in photosynthesis

A) It is split to form sugar. B) It is the final electron acceptor. C) It is a waste product in the light reactions. D) It is the initial electron releaser when split.

Biology & Microbiology

Transfer of genetic information via direct cell-cell contact is called ________.

A. transfection B. transduction C. transformation D. conjugation

Biology & Microbiology

Which of the following enzymes breaks down the "glue" that holds cells together?

A) Hyaluronidase B) Streptokinase C) Fibrinolysin D) Collagenase

Biology & Microbiology