MMSC 490 practice quiz 9 chapter 16- Correctly Answered

MMSC 490 practice quiz 9 chapter 16- Correctly Answered Signaling by neurotransmitters is an example of _______ signaling. - Answer ️️ -paracrine Peptide hormones and growth factors act on target cells by binding to cell surface and _______ receptors. - Answer ️️ -soluble extracellular The effect of acetylcholine on the heart muscle cells is to - Answer ️️ -stimulate one contraction Aspirin inhibits ______ synthesis. - Answer ️️ -prostaglandin Diacylglycerol and calcium activate _______. - Answer ️️ -protein kinase C Calcium stimulates many cellular enzymes by binding to a calcium-binding protein called - Answer ️️ -calmodulin MEK is a protein kinase that phosphorylates ______ residues. - Answer ️️ -tyrosine and threonine Which of the following is not considered a second messenger - Answer ️️ -ecdysone TGF-B receptors act by phosphorylating the protein - Answer ️️ -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. - Answer ️️ -cGMP Acetylcholine's effect on heart muscle cells results from the activation of receptors that _______ channels. - Answer ️️ -open k+ Stimulation of T lymphocytes, leading to their synthesis of a growth factor resulting in T lymphocyte proliferation is an example of ______ signaling - Answer ️️ -autocrine