Which of the Following Pathways Correctly Shows How Glycogen Synthase

question 24

Multiple Choice

Which of the following pathways correctly shows how glycogen synthase is activated in response to the activation of IRS-1 by insulin binding?

• A)IRS-1 causes activation of protein kinase B which phosphorylates glycogen synthase kinase thus preventing phosphorylation of glycogen synthase
• B)IRS-1 activates a cascade that ultimately phosphorylates ERK which then binds to glycogen synthase
• C)IRS-1 activates phosphoinositide 3-kinase and the resulting PIP₃ is an allosteric activator of glycogen synthase
• D)IRS-1 activates guanylate cyclase and the resulting cGMP binds to glycogen synthase kinase thus preventing phosphorylation of glycogen synthase
• E)none of the above

Compute test statistics for hypothesis testing.

Set up and interpret rejection regions in hypothesis testing.

Understand and compute confidence intervals and their relation to hypothesis tests.

Understand the impact of sample size and standard deviation on test results.

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