Identify the CORRECT statements regarding Ketones. SELECT ALL THAT APPLY A. Ketones are synthesized from excess pyruvate B. Ketones may be oxidized to yield cellular energy C. Ketogensis involves removal of coA (s-coa) groups D. Insulin promotes ketogenesis
Q: Insulin stimulates fatty acid synthesis by activating the acetyl CoA carboxylase a. True b. False
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Identify the CORRECT statements regarding
A. Ketones are synthesized from excess pyruvate
B. Ketones may be oxidized to yield cellular energy
C. Ketogensis involves removal of coA (s-coa) groups
D. Insulin promotes ketogenesis
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- Indicate what will happen ( increase, decrease or no effect) tothe activity of the enzyme or rate of the metabolic pathway in the given conditions a. release of glucagon in the blood to the activity of carnitine acyl transferase 1 b. high malonyl CoA to the activity of carnitine acyl transferase I C. Epinephrine to the activity og glycogen synthase d. high citrate to the activity of acetyl CoA carboxylase e. high acetyl CoA to ketogenesisConsider the docosanoic acid, C21H43CO2H a. Label the a and B carbons b. Draw the acyl CoA derived from this fatty acid c. How many acetyl CoA molecules are formed by complete B-oxidation? d. How many cycles of B-oxidation are needed for complete oxidation? e. How many molecules of ATP are formed from the complete catabolism of this fatty acid?CHOOSE THE CORRECT LETTER 1.Which of the following enzymes catalyze the reaction involved in the production of FADHy in the Kreb's cycle?A. malate dehydrogenaseB. a-ketoglutarate dehydrogenaseC.isocitrate dehydrogenaseD. succinate dehydrogenase 2.Steric acid requires eight cycles of B-oxidation to be completely converted to acety/-CoA.A.TrueB. False
- Define a ketogenic diet and give an example of a ketogenic meal. Explain why ketone supplements would not be a useful alternative to the ketogenic diet as a cancer therapy. Why might dietary treatments be preferred over conventional treatment options?In 3-4 sentences, briefly explain how lactate is formed, the biological effect of lactate, and explain the biochemical process and path for conversion of lactate. 3. The hormones glucagon, epinephrine, and insulin, can regulate blood glucose levels to protect the brain. For each one provide a short explanation as to whether it raises or lowers glucose how it does this, and indicate whether it is metabolic or catabolic.Compare and contrast the following items related to lipid metabolism. Cite their main similarities/or differences. 1. Steroid hormones vs. prostaglandins (in terms of their biosynthetic pathways). 2. Fatty acid synthase complex vs. pyruvate dehydrogenase complex.
- State the steps of ketone body formation, starting with two acetyl CoA. Please make sure to state all the enzymes and co-factors for each reaction.CHOOSE THE CORRECT LETTER. 1. Which of the following molecules is NOT a ketone body?A.B-hydroxybutyrateB.acetoneC. acetyl-CoAD.acetoacetate 2.What intermediate is necessary for glycogenesis to occur?A. UTPB.glucose-1-phosphateC.UDP-glucoseD. UDPWhich enzyme is used for both the synthesis and breakdown of acetoacetate? thiolase O HMG-CoA synthase OB-hydroxybutyrate dehydrogenase O B-Ketoacyl-CoA transferase
- Trace the mechanism of Fatty acid oxidation using Palmitoleic acid - a 16-C containing fatty acid. Topic: Biochemistry (Lipid Metabolism)CHOOSE THE CORRECT LETTER. PLS ANSWER The energy for gluconeogenesis is obtained fromA.synthesis of cholesterolB. oxidation of amino acids in the musclesC.beta-oxidation of fatty acidsD. anaerobic glycolysisCHOOSE THE CORRECT LETTER 1.The following are derived from ketogenesis EXCEPTA.beta-hydroxybutyrateB. acetoneC. DHAPD. acetoacetyI CoA 2.Glycolysis is favored when there is high sugar in the blood.A.TrueB. False