Une biochem 1005 - Study guides, Class notes & Summaries

UNE Biochem 1005 Unit 2 exam questions and answers

UNE Biochem 1005 Unit 2 Exam Latest Questions With Correct Solutions. 1. Pyruvate dehydrogenase kinase catalyzes a reaction that results in which of the following? The phosphorylation and inactivation of E1 subunit (pyruvate dehydrogenase complex 1. Which of the following intermediates is an allosteric activator of pyruvate kinase? a. Fructose 1.6 bisphosphate 1. Which of the following is the initial second messenger in the signaling cascade initiated by glucagon? a. cAMP 1. Hereditary ...

UNE Biochem 1005 Unit 2 Exam Latest Questions With Correct Solutions. 1. Pyruvate dehydrogenase kinase catalyzes a reaction that results in which of the following? The phosphorylation and inactivation of E1 subunit (pyruvate dehydrogenase complex 1. Which of the following intermediates is an allosteric activator of pyruvate kinase? a. Fructose 1.6 bisphosphate 1. Which of the following is the initial second messenger in the signaling cascade initiated by glucagon? a. cAMP 1. Hereditary ...

UNE Biochem 1005 Final Study Set Questions With Complete Solutions. Which of the following best describes the structure of heme? -a nicotinamide structure that is readily oxidized -a negatively charged phosphate group -a planar porphyrin ring that binds iron -an n-link glycosylation A planar porphyrin ring that binds iron Covalent catalysis is used by many enzymes to cleave peptide bonds. Which of the following amino acids would not facilitate this type of catalysis? -valine -cysteine...

UNE BioChem 1005 Final Exam Questions & Answers Solved 100% Correct!! Somatostatin reduces the secretion of both glucagon and insulin through which of the following mechanisms? a. Somatostatin activates an activator G-protein b. Somatostatin activates MAPK cascade c. Somatostatin activates an inhibitory G-protein d. Somatostatin uses Ca+2 as a downstream signal c. Somatostatin activates an inhibitory G-protein Insulin mediated glucose uptake by muscle and adipose tissue is a result of...

UNE BioChem 1005 Final Exam Questions & Answers Solved 100% Correct!! Somatostatin reduces the secretion of both glucagon and insulin through which of the following mechanisms? a. Somatostatin activates an activator G-protein b. Somatostatin activates MAPK cascade c. Somatostatin activates an inhibitory G-protein d. Somatostatin uses Ca+2 as a downstream signal c. Somatostatin activates an inhibitory G-protein Insulin mediated glucose uptake by muscle and adipose tissue is a result of...

UNE Biochem 1005 Final Study Set Questions With Complete Solutions. Which of the following best describes the structure of heme? -a nicotinamide structure that is readily oxidized -a negatively charged phosphate group -a planar porphyrin ring that binds iron -an n-link glycosylation A planar porphyrin ring that binds iron Covalent catalysis is used by many enzymes to cleave peptide bonds. Which of the following amino acids would not facilitate this type of catalysis? -valine -cystei...

UNE BioChem 1005 Final Exam Questions & Answers Solved 100% Correct!! Somatostatin reduces the secretion of both glucagon and insulin through which of the following mechanisms? a. Somatostatin activates an activator G-protein b. Somatostatin activates MAPK cascade c. Somatostatin activates an inhibitory G-protein d. Somatostatin uses Ca+2 as a downstream signal c. Somatostatin activates an inhibitory G-protein Insulin mediated glucose uptake by muscle and adipose tissue is a result of...

UNE Biochem 1005 Final Study Set Questions With Complete Solutions. Which of the following best describes the structure of heme? -a nicotinamide structure that is readily oxidized -a negatively charged phosphate group -a planar porphyrin ring that binds iron -an n-link glycosylation A planar porphyrin ring that binds iron Covalent catalysis is used by many enzymes to cleave peptide bonds. Which of the following amino acids would not facilitate this type of catalysis? -valine -cystei...

An enzyme has a mutation within the substrate-binding site that reduces the binding of the coenzyme needed for covalent catalysis. Which of the following is likely to result as a consequence of this mutation? a. the enzyme will use and alternative coenzyme for the reaction b. the enzyme will not be able to bind to the substrate c. The enzyme will not be able to form the transition state complex d. The enzyme will function normally correct answer: c. The enzyme will not be able to form the t...