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Home⇒ Medical Science⇒ Biochemistry⇒ Atp synthesis and fatty acid oxidation
1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
Q1 ⇒ The maximum energy per gram on oxidization is yielded from fat [other wrong options] [Discuss in forum] protein glycogen starch |
Q2 ⇒ How many molecules of acetyl-CoA are produced in oxidation of palmitic acid (C16), which involves seven rounds of oxidation? 8 [other wrong options] [Discuss in forum] 6 7 9 |
Q3 ⇒ Membrane potential and the proton gradient are both required to make ATP [other wrong options] [Discuss in forum] are sufficient, separately, to make ATP from ADP + Pi; reinforce one another when respiratory inhibitors are present cancel one another when uncouplers are present |
Q4 ⇒ Where the acyl-CoA formed in the cytosol is transported for oxidation? Mitochondrial matrix [other wrong options] [Discuss in forum] Microsomes Endoplasmic reticulum Remains in cytosol |
Q5 ⇒ The oxidation of methanol (wood alcohol) in human retina tissue leads directly to the formation of formaldehyde [other wrong options] [Discuss in forum] sugars CO2 none of these |
Q6 ⇒ Each cycle of β-oxidation produces 1 FADH2, 1 NADH and 1 acetyl-CoA [other wrong options] [Discuss in forum] 1 FADH2, 1 NAD+, and 1 acetyl-CoA 1 FADH2, 1 NADH and 2 CO2 molecules 1 FAD, 1 NAD+ and 2 CO2 molecules |
Q7 ⇒ Long-chain fatty acids are oxidized step-wise in one carbon units starting from the carboxyl end [other wrong options] [Discuss in forum] aliphatic end both (a) and (b) none of these |
Q8 ⇒ The oxidation of methanol (wood alcohol) in human retina tissue indirectly leads to blindness [other wrong options] [Discuss in forum] pressure builds up colour blindness all of these |
Q9 ⇒ The irreversibility of the thiokinase reactions (formation of initial acyl-CoA) both (a) and (b) [other wrong options] [Discuss in forum] make this activation reaction the committed step on the pathway is due to the subsequent hydrolysis of the product applies only to even-chain fatty acids |
Q10 ⇒ The transport of acyl-CoA for oxidation using a shuttle involves formation of the intermediate acyl-carnitine [other wrong options] [Discuss in forum] 3 acetyl-CoA Acyl-coenzyme A None of these |
Q11 ⇒ The three identical b subunits of the F1, complex during ATP synthesis have different affinities for ATP and for ADP [other wrong options] [Discuss in forum] different affinities for ATP but not for ADP different affinities for ADP but not for ATP similar affinities for ADP and ATP |