1
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
The energy-releasing metabolic process in which substrate is oxidised without an external electron acceptor is called
A
glycolysis
B
fermentation
C
aerobic respiration
D
photorespiration
2
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.
3
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.
4
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.
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