Given what you now know, what information is most likely to produce the correct answer?
What will be an ideal response?
When inositol triphosphate (IP3) is produced by phospholipase C it actives protein kinase C.
Protein kinase A is activated by cAMP. cAMP and IP3 are second messengers and not enzymes.
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What is the difference between negative feedback and positive feedback mechanisms?
A. Negative feedback mechanisms return a system to a set point; positive feedback mechanisms amplify a response. B. Negative feedback mechanisms move away from a set point; positive feedback mechanisms stabilize toward a set point. C. Negative feedback mechanisms stabilize a system toward a set point; positive feedback mechanisms change the set point.
The organ that is responsible for secreting cocoons in the oligochaetes is known as the
A. nephridia. B. setae. C. radula. D. clitellum. E. lophophore.
Which of the following is known as a Philadelphia chromosome?
A) a human chromosome 22 that has had a specific translocation B) a human chromosome 9 that is found only in one type of cancer C) an animal chromosome found primarily in the mid-Atlantic area of the United States D) a chromosome found only in mitochondria
The absence of significant contamination is referred to as
A. sepsis. B. bacteriostasis. C. asepsis. D. biocide.