If the effector protein phospholipase C failed to cleave phosphatidylinositol-4,5-bisphosphate (PIP2), the action of what enzyme would be affected?

A. protein kinase A (PKA)
B. IP3
C. cAMP
D. protein kinase C (PKC)


Answer: D

Biology & Microbiology

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As hominins diverged from other primates, which of the following appeared first?

A) reduced jawbones B) language C) bipedal locomotion D) the making of stone tools E) an enlarged brain

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Diversity is considered high in the deep sea due to:

a. low dispersal of juveniles leading to speciation. b. stability and old age of benthic environments. c. high infaunal abundance. d. combined low dispersal and long-term stability of the benthic environment.

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Tay-Sachs disease affects which system?

a. reproductive b. digestive c. respiratory d. nervous e. cardiovascular

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Describe the normal function of a tumor-suppressor gene

What will be an ideal response?

Biology & Microbiology