Calculate the number of molecules of ATP formed by the complete catabolism of pa

Question

Calculate the number of molecules of ATP formed by the complete catabolism of palmitoleic acid, C_16H_30O_2. ATP molecules Use the number of molecules of ATP formed from the complete catabolism of myristoleic acid, C_14H_26O_2, to calculate the molecules (or moles) of ATP formed per gram of myristoleic acid (molar mass 226 g/mol). (92 ATP molecules are formed from the complete catabolism of myristoleic acid.) mol ATP/g myristoleic acid Another way to compare the energy content of molecules is to compare the number of ATPs they generate per carbon atom they contain. (a) How many ATPs are formed per carbon when glucose, C_6H_12O_6, is completely catabolized? (b) How many ATPs are formed per carbon when oleic acid, C_18H_34O_2, is completely catabolized? (c) Do these data support refute the fact that lipids are more effective energy-storing molecules than carbohydrates? (32 ATP molecules are formed from the complete catabolism of glucose and 120 ATP molecules are formed from the complete catabolism of oleic acid.) (a) ATP/C in glucose (b) ATP/C in oleic acid How much ATP is used or formed when a fatty acid is converted to an acyl CoA? ATP equivalents are How much ATP is ultimately generated from each cycle of beta-oxidation of a fatty acid? ATP How many moles of ATP per gram of fatty acid are formed from the complete catabolism of octanoic acid? (molar mass 144 g/mol) (50 ATP molecules are formed from the complete catabolism of octanoic acid.) mol ATP/g octanoic acid What type of enzyme would catalyze the conversion of hydroxyacetone (CH_3 COCH_2 OH) to each compound? Identify the type of enzyme necessary for each reaction.

Explanation / Answer

Ans 5. 129 ATP

The fatty acid is first coverted into Acetyl CoA which undergoes citric acid cycle to produce ATP subsequently.

16 carbon palmitoleic acid produces 8 acetyl coa

each acetyl CoA produces 12 ATP so 8 x 12 = 96 ATP

and 7 cycles of mitochodria produces 7 NADH and 7 FADH2

each NADH produces 3 ATP so 7 x 3= 21 ATP

each FADH2 produces 2 ATP so 7 x 2= 14 ATP

2 ATP were required in activation of fatty acid

so total ATP = 129

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