A commercially significant human protein now produced in bacteria is
A. gamma globulins.
B. AZT.
C. human insulin.
D. HIV vaccine.
E. hemoglobin.
Answer: C
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What will happen to a cyanobacterium that has its photosystem II (PSII) blocked?
A) Additional electron acceptors, such as NADP+, will be required to oxidize oxygen and overcome the lost PSII process. B) Anoxygenic photosynthesis only using photosystem I (PSI) could occur by using cyclic photophosphorylation and an alternative electron donor such as H2S. C) It will die from being unable to obtain energy for photosynthesis. D) Photons will generate excessive reactive oxygen species and the cyanobacterium will die as a consequence.
DNA probe technology identifies microorganisms by probing their genetic composition.
Answer the following statement true (T) or false (F)
Desmin is present in muscle cells
a. true b. false
For which of the following would growth on blood agar be a good diagnostic tool?
a. streptococci b. staphylococci c. all Gram-positive cocci d. enterococci