The major source of naturally-produced penicillin is the mold ________.
What will be an ideal response?
Penicillium chrysogenum
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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.
Plant cell walls contain
A. chitin B. collagen C. proteoglycans D. laminins E. cellulose
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
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