The major source of naturally-produced penicillin is the mold ________.

What will be an ideal response?


Penicillium chrysogenum

Biology & Microbiology

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The transmission of Vibrio spp. to humans is by:

a. exposure of disrupted skin and mucosal surfaces to contaminated animal hides. b. ingestion of contaminated seafood or wa-ter. c. inhalation of contaminated air. d. close contact with carriers of the organism.

Biology & Microbiology

Plant cell walls contain

A. chitin B. collagen C. proteoglycans D. laminins E. cellulose

Biology & Microbiology

Which of these events occurs first in seed

germination? a. activation of protein-digesting enzymes in the endosperm b. release of gibberellins c. absorption of water d. transcription of the amylase gene e. digestion of endosperm starch into transportable sugars

Biology & Microbiology

Which of the following reactions is an example of dehydration synthesis?

A) Fat ? fatty acids + glycerol B) Glucose + galactose ? lactose C) Peptide ? alanine + glycine D) Cellulose ? glucose E) Glycogen ? glucose subunits

Biology & Microbiology