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.

Biology & Microbiology

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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.

Biology & Microbiology

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.

Biology & Microbiology

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

Biology & Microbiology

The absence of significant contamination is referred to as

A. sepsis. B. bacteriostasis. C. asepsis. D. biocide.

Biology & Microbiology