A Water-Soluble Hormone Binds to Its Receptor on the Plasma

question 46

Multiple Choice

A water-soluble hormone binds to its receptor on the plasma membrane.Arrange the events that follow in correct sequence. (1) alpha subunit-GTP complex alters cell activity
(2) GTP binds to the alpha subunit replacing GDP
(3) G-protein subunits separate from the receptor
(4) alpha subunit separates from other two subunits
(5) G-protein subunits bind to the receptor

• A)5,2,3,4,1
• B)4,2,1,3,5
• C)5,2,1,4,3
• D)5,4,2,1,3
• E)3,4,1,2,5

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Analyze the impact of environmental factors on embryonic development during different trimesters.

Understand the basic processes and terminology of early embryonic development including cleavage, blastulation, and gastrulation.

Describe the role and regulation of key molecules in embryonic development, such as β-catenin and Glycogen synthase kinase-3 (GSK-3).