he main signaling cascade for cell division and differentiation is the __________ cascade
a. phospholipase C
b. MAP kinase
c. phosphoinositol
d. cAMP
e. calcium-calmodulin
B
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In a phenomenon known as satelliting, tiny colonies of Haemophilus spp. may be observed growing on sheep blood agar close to colonies of bacteria that can produce:
a. hemin. b. NAD. c. vitamin K. d. cystine.
The dry region on the ____ side of mountains is referred to as a rain shadow
a. usually moisture-laden b. windswept c. highest d. windward e. leeward
A device in which mass cultures are grown, reactions take place, and product develops is a(n) ________.
A. sparger B. activator C. incubator D. fermentor
Which of the following statements BEST explains the observation that more autism cases exist now than in the past?
a) doctors are more aware of the condition and have better techniques for diagnosing and reporting it b) more parents neglect their children, which is a cause of autism, now than in the past c) the vaccine for measles, mumps, and rubella has been established as a significant cause of autism d) autism has been selected for in recent generations by natural selection e) all of the above choices are correct