Our body can get pentoses from * O (A) Glycolytic pathway O (B) Uromic acid pathway O (C) TCA cycle O (D) HMP shunt
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- Name a pathway in muscles tissue that you would expect is enhanced (or upregulated) by the presence of adrenaline (aka epinephrine) in your veins (and arteries). a) glycogen breakdown b) glycolysis c) citric acid cycle/Kreb's cycle d) lipid synthesis e) beta oxidationThe synthesis of glucose from noncarbohydrates is called (a) glycolysis. (b) lipolysis. (c) gluconeogenesis. (d) beta-oxidation.The pathway that converts glucose to acetyl-CoA is often referred to as an “aerobic oxidation pathway.” (a) Is molecular boxygen involved in any of the steps of glycolysis? (b) Thinking back to Chapter 20, where does molecular oxygen enter the picture?
- Which of the following is not a proteolytic enzyme (A) carboxpeptidase (B) amylase (C) chymotrypsin (D) trypsinWhere in a liver cell do the following pathways occur? (a) Glycolysis (b) Gluconeogenesis (c) Glycogenesis (d) GlycogenolysisWhich of the following statements is/are CORRECT? OA) Phosphoenolpyruvate carboxykinase is inhibited by ADP. B) Pyruvate carboxylase is inhibited by ADP. C) Fructose-1,6-bisphosphatase is inhibited by ADP. OD) A and B. OE) B and C. 4
- Which cells, liver, muscle, or brain, use the following pathways?(a) Glycolysis(b) Gluconeogenesis(c) Glycogenesis(d) Glycogenolysis10) The glycerol phosphate shuttle functions in. A) Lipid catabolism C) Anaerobic glycolysis for the regeneration of NAD 8) Triglyceride synthesis D) Aerobic glycolysis to transport NAH equivalents resulting from glycolysis into mitochondria. 11) In muscles, the pyruvate is converted into lactate. Find the correct statement A) During lactate formation, NADH is reconverted into NAD B) During the product of lactate two AT are produced C) Lactate is the substrate from the downstream pathway D) Lactate acts as the substrate for the formation of amino acid 12) Which of the following regulates lipolysis in adipocytes A) Activation of fatty acid synthesis mediated by CAMP 8) Glycerol phosphorylation to prevent futile esterification of fatty acids C) Activation of triglyceride lipase as a result of hormone stimulated increases in cAMP levels D) Activation of cAMP production by Insulin 13) Glycolysis consists of three irreversible steps. Which of the following enzyme catalyzes the reaction are…a) Explain in your own words, under what conditions pyruvate is converted into lactic acid (2pt). b) Does lactic acid fermentation occur in all cells of the body? (0.5pt). c) Explain in your own words your answer to part (b) (1pt) Answers must be in full sentences, include correct grammar and spelling, and contain biological correct information (0.5pt).
- Which of these is associated with production of ATP during glycolysis? (Select all that apply) a) Conversion of 1,3-BPG to 3PG b) Conversion of 1,3-BPG to 2,3-BPG c) Conversion of PEP to pyruvate d) Conversion of 2,3-BPG to 2PG e) Phosphorylation of glucoseThe body is constantly performing low levels of amino acid catabolism to turn over old and non- functional proteins. Imagine your liver is degrading tryptophan-rich proteins shortly after lunch. What pathways are most likely used by the carbonbackbone that results from tryptophan transamination? Assume that you have not moved much and the liver is very well-rested. Choose the TWO pathways that apply. (A) CAC(B) fatty acid synthesis (C) gluconeogenesis (D) glycogenesis(E) glycolysis(F) ketolysis(G) PDH complexThe function of the citric acid cycle is to (a) produce energy during periods of active muscle contraction. (b) break six-carbon chains into three-carbon fragments. (c) prepare the glucose molecule for further reactions. (d) remove hydrogen atoms from organic molecules and transfer them to coenzymes.