MMSC 490 practice quiz 9 chapter 16 (With 100% complete answers)

Signaling by neurotransmitters is an example of _______ signaling. correct answers paracrine Peptide hormones and growth factors act on target cells by binding to cell surface and _______ receptors. correct answers soluble extracellular The effect of acetylcholine on the heart muscle cells is to correct answers stimulate one contraction Aspirin inhibits ______ synthesis. correct answers prostaglandin Diacylglycerol and calcium activate _______. correct answers protein kinase C Calcium stimulates many cellular enzymes by binding to a calcium-binding protein called correct answers calmodulin MEK is a protein kinase that phosphorylates ______ residues. correct answers tyrosine and threonine Which of the following is not considered a second messenger correct answers ecdysone TGF-B receptors act by phosphorylating the protein correct answers Smad Rhodopsin in the vertebrate retinal photoreceptor cells results in a change in the second messenger ______, leading to the opening of ion channels in the plasma membrane and the production of a nerve impulse. correct answers cGMP Acetylcholine's effect on heart muscle cells results from the activation of receptors that _______ channels. correct answers open k+