Which of the following molecules shuttles fatty acids from the cytosol of the ce

Question

Which of the following molecules shuttles fatty acids from the cytosol of the cell into the matrix of the mitochondria? CoA oxaloacetate carnitine acetyl CoA citrate How many "turns" in the beta-oxidation pathway are needed to "process" a C_20 fatty acid molecule? 8 9 10 18 20 Ketosis can develop into where the accumulation of ketone bodies significantly lowers blood pH. respiratory alkalosis respiratory acidosis metabolic acidosis metabolic alkalosis azotemia Which of the following correctly lists the order of steps required for lipogenesis? Hydrogenation rightarrow Hydrogenation rightarrow Dehydration rightarrow Condensation Condensation rightarrow Dehydration rightarrow Hydrogenation rightarrow Hydrogenation Condensation rightarrow Hydrogenation rightarrow Dehydration rightarrow Hydrogenation Dehydration rightarrow Hydrogenation rightarrow Condensation rightarrow Hydrogenation Dehydration rightarrow Condensation rightarrow Hydrogenation rightarrow Dehydrogenation Which of the following converts the zymogen pepsinogen into its active form pepsin?

Explanation / Answer

35. The molecule that shuttles fatty acids from the cytosol into the mitochondria C: Carnitine ( C ) is the correct option. This molecule transports the Fatty acids to the mitochondrial matrix.
36. No of turns of beta oxidation to process C 20 is 10 as we will divide the no of carbon atoms of the fatty acid by the no of carbon atoms of acety CoA i.e., by 2.
37. Ketosis can develop into ketoacidosis i.e. a rise in the acidity of blood leading to metabolic acidosis another term used for ketoacidosis. So the correct option is C: metabolic acidosis
38. The correct list of the order of steps in lipogenesis are: Condensation, hydrogenation, dehydration followed by hydrogenation. So the option: C is correct
38. The zymogen pepsinogen is converted to its active form pepsin by hydrochloric acid (HCl), released from parietal cells of the stomach lining.

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