1
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
The chemiosmotic coupling hypothesis of oxidative phosphorylation proposes that adenosine triphosphate (ATP) is formed because
A
a proton gradient forms across the inner membrane
B
there is a change in the permeability of the inner mitochondrial membrane toward adenosine diphosphate (ADP)
C
high energy bonds are formed in mitochondrial proteins
D
ADP is pumped out of the matrix into the intermembrane space.
2
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
All enzymes of TCA cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial membranes in eukaryotes and in cytosol in prokaryotes. This enzyme is
A
isocitrate dehydrogenase
B
malate dehydrogenase
C
succinate dehydrogenase
D
lactate dehydrogenase.
3
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
The overall goal of glycolysis, Krebs' cycle and the electron transport system is the formation of
A
ATP in one large oxidation reaction
B
sugars
C
nucleic acids
D
ATP in small stepwise units.
4
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
How many ATP molecules could maximally be generated from one molecule of glucose, if the complete oxidation of one mole of glucose to CO2 and H2O yields 686 kcal and the useful chemical energy available in the high energy phosphate bond of one mole of ATP is 12 kcal?
A
1
B
2
C
30
D
57
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