All of the following are industrial products produced by microbes EXCEPT
A) amino acids in food supplements.
B) antibiotics.
C) industrial enzymes.
D) uranium.
E) vitamin B12 and riboflavin.
D
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A collection of fibrous intracellular attachment proteins is called a(n)
A) annulus. B) connexon. C) plaque. D) tonofilament. E) both choices C and D
__________ fungi include common molds. Fill in the blank(s) with the appropriate word(s)
The pathology associated with food infections does not involve toxin-induced damage.
Answer the following statement true (T) or false (F)
Some scientists are trying to develop a vaccine that would prevent cancer. What is an important consideration?
A. The natural killer (NK) cells already perform this function, which cannot be enhanced. B. Since cancer cells have self-marking MHC molecules, they cannot be attacked by the immune system. C. It is not possible-vaccines can only protect against viruses or bacteria. D. Antigen selection would be critical, due to danger of the body's immune system attacking its own healthy tissue.