β oxidation - Study guides, Revision notes & Summaries

Which of the following is not required in the synthesis of fatty acids? A) Acetyl-CoA B) Biotin C) HCO3- (CO2) D) Malonyl-CoA E) NADH - E) NADH Which of the following is not true of the reaction producing malonyl-CoA during fatty acid synthesis? A) It is stimulated by citrate. B) It requires acyl carrier protein (ACP). C) It requires CO2 (or bicarbonate). D) One mole of ATP is converted to ADP + Pi for each malonyl-CoA synthesized. E) The cofactor is biotin. - B) It requir...

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? Free fatty acids Under fasted conditions as described above, the skeletal muscle and liver would be oxidizing free fatty acids as a means of producing ATP. A well, 2-year-old girl presents to the clinic with symptoms of a viral illness. Her parents report she has had bouts of vomiting and diarrhea over t...

UNE Biochem FINAL |83 Questions| With 100% Verified & Passed Solutions. 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? Free fatty acids Under fasted conditions as described above, the skeletal muscle and liver would be oxidizing free fatty acids as a means of producing ATP. A well, 2-year-old girl presents to the clinic with symptoms of a viral ill...

Portage Microbiology Lecture Exam 2 Already Passed True or False. The β-oxidation pathway catabolizes the fatty acid chains of lipids. True True or False. Metabolism is a controlled set of biochemical reactions that occur in living organisms in order to maintain life. True What is the term for metal ions that assist enzymes during the catalysis reaction? Cofactor The catabolism of a single molecule of glucose goes through what 3 distinct transitions? 1. Glycolysis 2. Fermentation or Respirat...

UNE CHEM 1005 Medical Biochemistry Final (Unit 3 and Unit 4) | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass The processes of β-oxidation and fatty acid synthesis are regulated in such a manner that neither process is active at the same time. Which of the following enzymes required for fatty acid synthesis is paired with the correct activator? A) Carnitine palmitoyl transferase I (CPTI); malonyl-CoA B) Hormone-sensitive lipase; free fatty acids C) Acetyl-CoA car...

As the Metabolic Syndrome progresses towards overt type 2 diabetes, symptoms typically arise chronologically. Which of the following arrangements best represents the chronological order of their development, from earliest to latest. A. Hyperinsulinemia, insulin resistance, central adiposity, retinopathy. B. Central adiposity, insulin resistance, hyperinsulinemia, retinopathy C. Retinopathy, central adiposity, insulin resistance, hyperinsulinemia D. Insulin resistance, hyperinsulinemia, cen...

Carnitine palmitoyl transferase - ANSWERS- transfers acyl groups from CoA to carnitine & vice versa - inhibited by malonyl-CoA ketone bodies - ANSWERS- acetoacetate, β-hydroxybutyrate, acetone - oxidized as fuel source in extreme fasting d-3-hydroxybutyrate dehydrogenase - ANSWERSinterconversion of acetoacetate and 3-hydroxybutyrate acetone - ANSWERSyielded by spontaneous decarboxylation of acetoacetate; waste product acetoacetate and 3-hydroxybutyrate - ANSWERS- ketone bodies pro...

BCHM 270 MIDTERM TEST QUESTIONS WITH CORRECT ANSWERS Intramolecular disulfide bond - Answer-2 C (1 C can form disulfide bonds with other C groups) Phosphorylated - Answer-S, T, Y Alpha helix breakers - Answer-P Bulky clusters: Y, W, L, V, F Charged clusters: K, R, H, D, E Ionizable side chains - Answer-R, K, Y, C, H, E, D Scurvy - Answer-Caused by impaired hydroxylation of lysine and proline causing unstable triple helices due to vitamin C deficiency. Prion disease - Answer-P...

In the liver, which of the following key inhibitory events ensures that newly synthesized palmitoyl-CoA is not immediately oxidized? Carnitine palmitoyl transferase-I (CPTI) by palmitoylcarnitine Carnitine palmitoyl transferase-II (CPTII) by acetyl-CoA Acyl-CoA synthetase by malonyl CoA Carnitine palmitoyl transferase-I (CPTI) by malonyl-CoA Carnitine acylcarnitine translocase (CAT) by palmitoyl-CoA correct answer: Carnitine palmitoyl transferase-I (CPTI) by malonyl-CoA Malony...

UNE Medical Biochemistry Unit 3 Review (For this guide, I made the questions from the video lectures, study guides, and quiz/test reviews) Rated A+ What occurs when glucagon is high and insulin is low? Beta-oxidation During the fasted state, the liver uses ______ as fuel and the pathway is _______. Fatty acids, Lipolysis in the adipose During the fasted state, the red blood cell uses ______ as fuel and the pathway is _______. Glucose, Hepatic glycogenolysis, and gluconeogenesis During t...