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- Acetyl CoA is generated from ________. A. oxaloacetate B. pyruvic acid C. citric acid D. waterIncreased quantities of monounsaturated fatty acids in the diet results in which metabolic effect? Question 42 options: a) Increased VLDL uptake b) Lowered LDL oxidation c) Decreased LDL receptor synthesis d) Increased bile acid synthesisWhich process does not generate CO2? A. the citric acid cycle B. the conversion of pyruvate to lactic acid C. the conversion of pyruvate to acetyl-CoA D. the conversion of pyruvate to ethanol
- which statement best describes the oxidation of odd numbered fatty acids? a) the last intermediate cannot be used by humans b) the human body cannot naturally metabolise odd numbered fatty acids c) the last intermediate is a 3 carbon propionlycoA d) one carbon is removed in the first cycleWhat is the fate of pyruvic acid in an organism that uses aerobic respiration? Question 2 options: A) It is reduced to lactic acid B) It reacts with oxaloacetate to form citrate C) It is catabolized in glycolysis D) It is converted into acetyl CoAA dietary supplement containing pyruvate is available. Using your knowledge of cellular respiration, predict any health benefits or risks might be associated with taking such a supplement
- What is the main function of anti-oxidant compounds? Select one: a. They donate hydrogen ions to free radicals b. They aid in metabolism by stripping electrons from carbohydrates and fatty acids c. They help reduce concentration of HDL in the blood d. They interfere with function of lipoprotein lipaseThe enzyme that decarboxylates pyruvate before it gets converted to Acetyl CoA is a. Pyruvate dehydrogenase b. Pyruvate decarboxylase c. Pyruvate carboxylase d. Pyruvate oxidative decarboxylaseIf an individual has impaired respiratory function, as occurs with emphysema, you would expect all of the following except a. production of additional lactate. b. an impaired ability to make ATP. c. low energy levels and complaints of being tired. d. increased aerobic cellular respiration.
- 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.What Is The Main Purpose Of Oxygen In Cellular Respiration? A)Allowing For The Break Down Of Glucose In Pyruvate B)Suppling Electrons To The Electron Transport Chain C)Allowig For A Flow Of Electrons In The Electron Transport Chain D)Oxidation Of Pyruvate To Acetyl COAWhich is true of brain metabolism in starvation? a. The brain can use glucogenic amino acids for energy b. The brain can only use glucose as fuel c. Up to a quarter of the energy requirement of the brain can come from fatty acids. d. Up to half the energy requirement of the brain can be met by ketone bodies
