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Elliott & Elliott: Biochemistry and Molecular Biology 4e

Chapter 27


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Question 1

Which of the following signal molecules binds to a receptor situated in the cytoplasm, not the outer membrane of the cell?

Question 2

What is the first event which happens to a growth factor / cytokine receptor after binding its cognate signal molecule?

Question 3

What type of protein is Ras?

Question 4

Which of the following signals does not activate a serpentine receptor which in turn activates a heterotrimeric G-protein?

Question 5

Which second messenger signals the release of Ca++ from the endoplasmic reticulum?