In order to use lipids to produce ATP the first step is beta oxidation of fatty acids which occurs in the cytoplasm of the cell TRUE or FALSE
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In order to use lipids to produce ATP the first step is beta oxidation of fatty acids which occurs in the cytoplasm of the cell TRUE or FALSE
If glucose stores are getting low, non-carbohydrate molecules such as lipids and proteins will be used to make ATP. This is referred to as glucose sparing TRUE or FALSE
Our dietary source of carbohydrates comes predominantly from plants. TRUE or FALSE
Essential nutrients can be produced in the liver by the interconversion of different macromolecules in the liver. TRUE or FALSE
The major lipid in the american diet is triglycerides. TRUE or FALSE
All proteins from animal products are complete proteins. TRUE or FALSE
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- The pentose phosphate pathway occurs in the mitochondrion of tissues actively engaged in synthesis of fatty acids. True O FalseWhich of the following statements about glucose metabolism is correct? * Red blood cells can catalyse aerobic glycolysis because they contain oxygen bound to haemoglobin. Fructose cannot be used for gluconeogenesis in the liver. Glycolysis can proceed in the absence of oxygen only if pyruvate is formed from lactate in muscle. All of the reactions of glycolysis are freely reversible for gluconeogenesis. Red blood cells can only metabolise glucose by anaerobic glycolysis and the pentose phosphate pathway.choose the metabolic pathway being described in the statement choices: Digestion Glycolysis Formation of Acetyl CoA Krebs Cycle ETC Reactions Glycogenesis Glycogenolysis Gluconeogenesis conversion of glyceradehyde-3-PO4 to glucose2. liberates more ATP from reduced coenzymes 3. occurs when the body runs out of carbohydrates 4. pyruvic acid is decarboxylated and oxidized 5. generates two molecules of pyruvate for every glucose catabolized 6. second release of CO2 in cellular respiration 7. catabolism of dietary carbohydrates 8. response to a drop in blood glucose9. catalyzed by pyruvate dehydrogenase 10. actic acid is converted to glucose
- The synthesis of glucose inside the body from non-carbohydrate substances is called gluconeogenesis. O True O FalseUnlike other sources of energy within the cell-like sugars- fatty acids such as triacylglycerols can be stored in anhydrous form. True O FalseWhich of the following statements about gluconeogenesis is correct? * Muscles have a large glycogen store which gives rise to blood glucose during prolonged starvation Fatty acids are plentiful in the blood during starvation and are used for glucose synthesis The enzyme glucose-6-phosphatase hydrolyses glucose-6-phosphate and is present in most cells. Gluconeogenesis enables the liver O to maintain blood glucose levels during starvation
- Which below is a primary requirement for glucose? obligatory glycolytic tissues substrate of the pentose phosphate pathway maintain --100 mg/dL plasma glucose O all of the aboveAll of the following statements about glucose are true except: Glucose is metabolized in the cytoplasm of prokaryotic organisms. On a low-carb diet, keto acids from glucogenic amino acids will be used to synthesize glucose. Glucose is metabolized in the mitochondria of mature red blood cells. Under non-starvation conditions, the brain relies exclusively on glucose as its fuel source.choose the metabolic pathway being described in the statement choices: Digestion Glycolysis Formation of Acetyl CoA Krebs Cycle ETC Reactions Glycogenesis Glycogenolysis Gluconeogenesis 1. absorption of glucose in the blood stream 2. series of release of small amount of energy reducing oxygen to water
- Which of the following steps does NOT require ATP? O A. Conversion of glucose to glucose 6-phosphate O B. Conversion of malate to pyruvate O C. Conversion of pyruvate to oxaloacetate O D. Activation of hormone sensitive lipase by PKA O E. Inactivation of glycogen synthase by PKA is an intermediate metabolite linkage between carbohydrate and fat metabolism. O A. Malate O B. Oxaloacetate OC. Glucose 6-P O D. Acetyl COA O E. Malonyl COAWhen fatty acids are not completely metabolized, they are often converted into: Glucose Oxaloacetate O Amino Acid O Acetyl CoA molecules O None of these answers are correct.Ammonium ions (NH4+) are always produced during intracellular digestion of which food molecule? carbohydrate fatty acid glycerol amino acid polysaccharide The glycolytic enzyme pyruvate kinase catalyzes the conversion of: 1,3-bisphosphoglycerate into 3-phosphoglycerate (producing ATP) glyceraldehyde-3-phosphate into 1,3-bisphosphoglycerate (producing NADH) phosphoenolpyruvate into pyruvate (producing ATP) fructose-6-phosphate into fructose-1,6-bisphosphate (consuming ATP) glucose into glucose-6-phosphate (consuming ATP)