Une unit 2 exam Study guides, Class notes & Summaries

1. Pyruvate dehydrogenase kinase catalyzes a reaction that results in which of the following? correct answer: The phosphorylation and inactivation of E1 subunit (pyruvate dehydrogenase complex 1. Which of the following intermediates is an allosteric activator of pyruvate kinase? correct answer: a. Fructose 1.6 bisphosphate 1. Which of the following is the initial second messenger in the signaling cascade initiated by glucagon? correct answer: a. cAMP 1. Hereditary fructose intoleranc...

UNE Biochem Unit 2 Exam Quizzes & Answers Glycolysis provides intermediates that can be used to make other necessary substrates. One example of this is the direct conversion of pyruvate to which of the following amino acids? a. proline b. threonine c. glutamate d. alanine alanine Which of the following best describes the net effect of the 8 steps of the TCA cycle? a. this process completely oxidizes an acetyl group to carbon dioxide b. this process directly converts pyruvate to succin...

UNE medical biochemistry Unit 2 Test Exam Questions With 100% Correct Answers If unregulated, which of the following pairs of enzymes would represent a futile cycle? -answer Fructose 1,6 bisphosphatase and phosphofructokinase-1 Rotenone blocks complex 1 in the ETC. This increases levels of NADH and would likely impair the function of which of the following enzymes? -answer Pyruvate dehydrogenase complex Newborn screening shows a biotinidase deficiency in a 2-day old infant. This deficienty...

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 medical biochemistry Unit 2 Test Exam Questions With 100% Correct Answers If unregulated, which of the following pairs of enzymes would represent a futile cycle? -answer Fructose 1,6 bisphosphatase and phosphofructokinase-1 Rotenone blocks complex 1 in the ETC. This increases levels of NADH and would likely impair the function of which of the following enzymes? -answer Pyruvate dehydrogenase complex Newborn screening shows a biotinidase deficiency in a 2-day old infant. This deficienty...

UNE medical biochemistry Unit 2 Test Exam Questions With 100% Correct Answers If unregulated, which of the following pairs of enzymes would represent a futile cycle? -answer Fructose 1,6 bisphosphatase and phosphofructokinase-1 Rotenone blocks complex 1 in the ETC. This increases levels of NADH and would likely impair the function of which of the following enzymes? -answer Pyruvate dehydrogenase complex Newborn screening shows a biotinidase deficiency in a 2-day old infant. This deficienty...

Unit 3 UNE Biochem Test 100% Accurate Review Solution Update A+ 1. An individual goes to bed around 8 pm and doesn't wake up until 9 am the next morning . During this time, which of the following is the primary oxidizable substrate in the skeletal muscle? - ANS-Free fatty acids 2. The process of ketogenesis refers to the conversion of acetyl CoA to which of the following compounds? - ANS-D-3-hydroxybutyrate or beta hydroxybutyrate 3. Under fasting conditions, elevated glucagon will ac...

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 ...

Exam(Elaborations) UNE Biochemistry Unit 4 – Final 2024 Which of the following amino acids is considered non essential because it is generated by the urea cycle? A. arginine B. lysine C. asparagine D. glutamine E. histidine arginine The urea cycle takes place in which of the following subcellular locations? A. the cytosol and the mitochondria B. the mitochondria only C. the cytosol only the cytosol and the mitochondria Ubiquitination is a means of targeting a pro...

Exam(Elaborations) UNE Biochemistry Unit 4 – Final 2024 Which of the following amino acids is considered non essential because it is generated by the urea cycle? A. arginine B. lysine C. asparagine D. glutamine E. histidine arginine The urea cycle takes place in which of the following subcellular locations? A. the cytosol and the mitochondria B. the mitochondria only C. the cytosol only the cytosol and the mitochondria Ubiquitination is a means of targeting a pro...