You have identified a molecule, molecule X, that can bind to the ATP binding site of a specific protein kinase, and prevent ATP binding. You are conducting a kinase assay using this protein kinase and a known substrate of this kinase, and have set up the reaction using the proper conditions and co-factors to allow for optimal protein kinase activity. If you add molecule X to the reaction, what do
you predict will be the outcome?
A. The substrate will be phosphorylated normally in the presence of molecule X.
B. Less phosphorylation of the substrate will be seen in the presence of molecule X.
C. More phosphorylation of the substrate will be seen in the presence of molecule X.
B. Less phosphorylation of the substrate will be seen in the presence of molecule X.
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The portion of the nervous system that is responsible for increasing heart rate, as well as increasing
movement of the intestines, is the
a. autonomic nervous system. b. sympathetic division. c. parasympathetic division. d. somatic nervous system. e. interaction between the somatic and autonomic nervous system.
The first metabolic pathway by which ATP is made in an active muscle cell is ____
a. glycolysis b. aerobic pathway c. Krebs cycle d. creatine phosphate transfer e. electron transport system
What would be required for the last product of glycolysis, pyruvate, to enter the Krebs cycle?
A. more glucose for energy B. oxygen C. ATP D. carbon dioxide
A son is born with Kleinfelter's syndrome and hemophilia. His father was normal and his mother was a carrier for the recessive X-linked blood clotting disorder. What occurred in meiosis to produce this genetic outcome?
A) nondisjunction in meiosis I of the mother B) nondisjunction in meiosis I of the father C) nondisjunction in meiosis II of the father D) nondisjunction in either meiosis I or meiosis II of the mother E) nondisjunction in meiosis II of the mother