#Question id: 15446
#Unit 4. Cell Communication and Cell Signaling
#Question id: 1158
#Unit 4. Cell Communication and Cell Signaling
Muscarinic acetylcholine receptors are GPCRs that slow the rate of heart muscle contraction upon ligand binding/activation. Activation of this receptor leads to opening of potassium channels triggered by decreases in cAMP levels. The muscarinic acetylcholine receptor likely couples to:
#Question id: 1203
#Unit 4. Cell Communication and Cell Signaling
People who suffer from thyroid adenomas have constitutively activated G proteins in some cells of the thyroid gland. Tumor cells not only secrete copious quantities of thyroid hormones but also divide and grow excessively. Based on these observations, in what kind(s) of signal transduction pathways do the mutant G proteins participate?
#Question id: 33431
#Unit 1. Molecules and their Interaction Relevant to Biology
#Question id: 11320
#Unit 10. Ecological Principles
What are secondary compounds of plants?