Consider this pathway:

epinephrine → G protein-coupled receptor → G protein → adenylyl cyclase → cAMP

The second messenger in this pathway is:

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#Question id: 31256

#Unit 5. Developmental Biology

If the Wnt signaling inhibitor GSK3 is itself inhibited throughout the body axis in hydra, results

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#Question id: 9601

#Unit 9. Diversity of Life Forms

The relative lengths of the frog and mouse branches in the phylogenetic tree indicate that

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#Question id: 1949

#Unit 4. Cell Communication and Cell Signaling

IgG in patients with rheumatoid arthritis has abnormal:

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#Question id: 9231

#Unit 9. Diversity of Life Forms

Movement corridors can be harmful to certain species because they ________.

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#Question id: 10471

#Unit 6. System Physiology – Plant

Under temperate conditions, which one of the two major factors that are involved with light-dependent stomatal opening are,