WGU C785 Biochemistry Final Exam

WGU C785 Biochemistry Final Exam Which of the following enzymes is part of both the TCA cycle and the electron transport chain? ATP synthase (Complex I) NADH oxidoreductatase Cytochrome c Succinate dehydrogenase (Complex II) – Succinate dehydrogenase ATP is used to carry energy within the cell. The majority of energy in ATP is stored within which of the following bonds indicated on the image below? 3 1 2 4 - 1 In the case of a deficiency in phenylalanine hydroxylase which of the following amino acids will become essential? Cysteine Tyrosine Typtophan Methionine Homocysteine - Tyrosine In the electron transport chain, which of the following compounds in the terminal electron acceptor? O2 FAD NAD+ H2O - O2 Which of the following is an example of mechanical work? Cleavage of a high energy phosphate bond to facilitate muscle contraction Movement of glucose from the intestinal lumen into the cell Formation of UDP glucose from glucose 1-phosphate Oxidation of glucose to pyruvate - Cleavage of a high energy phosphate bond to facilitate muscle contraction After fasting for 6 hours which of the following would be consistent with the hormone levels of this individual? 1 2 3 4 5 - 4 Fructose 1-6 Biophosphate will enhance the activity of which of the following enzymes? Pyruvate dehydrogenase complex hexokinase Pyruvate kinase pyruvate dehydrogenase kinase Glycogen phosphorylase - pyruvate kinase Which of the following tissues can use glucose, but not fatty Acids, as a source of fuel? Skeletal Muscle Cardiac tissue