Acbii Exam 1 All Correct Answers Pdf

Which of the following is a cell surface receptor? ( select any/all answers that apply )Selected Answers: B. Ligand-gated ion channelD. Steroid hormone receptorE. Insulin receptorAnswers: A. TransducinB. Ligand-gated ion channelC. Receptor serine/threonine kinaseD. Steroid hormone receptorE. Insulin receptor Question 21 out of 1 pointsKinases might add phosphate groups onto ( select any/all answers that apply ):Selected Answers: C. serine residues.D. threonine residues.E. tyrosine residues.Answers: A. cysteine residues.B. lysine residues.C. serine residues.D. threonine residues.E. tyrosine residues. Question 30.5 out of 0.5 pointsWhich of the following is a post-translational modification that's oftentimes used to regulate protein function within intracellular signaling cascades?Selected Answer: E. UbiquitinationAnswers: A. Allosteric interactionB. CompartmentalizationC. Second messenger systemD. Assembly of protein complexesE. Ubiquitination Question 40.5 out of 0.5 points__________ signal(s) through enzyme-linked receptors where the receptor is not itself a kinase but instead recruits cytosolic kinases.Selected Answer: A. CytokinesAnswers:A. CytokinesB. InsulinC. AdrenalineD. NeurotransmittersE. Thyroid hormones Question 50.5 out of 0.5 points___________ is a common type of "allosteric switch" protein which gets directly activated by intracellular calcium.Selected Answer: C.CalmodulinAnswers: A. GTP-binding proteinB. KinaseC. CalmodulinD. PhosphataseE. Heterotrimeric G protein Question 60.5 out of 0.5 pointsAn activated GPCR typically functions as a(n) _____________ for its associated heterotrimeric G protein.Selected Answer: A.