When undergoing strenuous exercise and the Cori Cycle is functioning, which of the following compounds is being delivered to liver tissue as a part of this Cycle? Select one: a. Alanine b. Pyruvate c. Glucose d. Lactate
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- Beta oxidation is ______. a. the breakdown of sugars b. the assembly of sugars c. the breakdown of fatty acids d. the removal of amino groups from amino acidsWhich of the following is NOT a physiological role of phosphorus? Select one: a. Required for ossification of bones during embryonic development b. Required for enzymatic conversions in glycolysis c. Links together ribose sugars and their associated nitrogenous bases d. Important compound required to inhibit auto-oxidation of fatty acidsWhich of these fatty acids is most oxidized? a b c d
- Changes in blood pH would largely be a direct result of decreased metabolic flux through a) The Citric Acid Cycle b) Lipid synthesis c) Glycogen synthesis d) Urea Cycle e) Glycolysis f) Oxidative PhosphorylationIn which step of glycerol metabolism does each of the following events occur? a. The oxidizing agent NAD1 is needed. b. ADp is produced. c. Glycerol 3-phosphate is a reactant. d. A secondary alcohol group is oxidized.Glycolysis is a catabolic reaction that produces 2 moles of pyruvic acid from the breakdown of what? a) ATP b) ADP c) Proteins d) Sugar e) Lipids
- Cyanide makes a bond to cytochrome in the electron transport chain located in the mitochondria, rendering the electron transport chain useless. The cyanide ingestion in death due to which of the following? a) Starvation, due to an inability to create glucose.b) Build up of lactic acid.c) Inability to take in oxygen through the lungs.d) Cellular death from lack of energy.During β-oxidation, the carbon backbone of fatty acids is converted into ________. A. pyruvate B. acetyl group C. glucose D. carbon dioxide E. triglycerideAcetyl CoA is generated from ________. A. oxaloacetate B. pyruvic acid C. citric acid D. water
- The 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.All the following statements about ketone bodies are true except a. They are synthesized in mitochondria b. They can lower the pH of the blood c. Their synthesis increases in diabetes mellitus d. They can be oxidized in the liverWhat must occur before a fatty acid can be metabolized by cellular respiration? A)The fatty acids must be linked to glycerol and form a neutral fat. B)The fatty acid must be broken down into acetic acid, a two-carbon molecule. C)The fatty acid chain must be broken down into three-carbon molecules, pyruvic acid. D)The fatty acid must be broken down into amino acids before they can enter the Krebs cycle.