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Multiple Choice QuestionsCytochromes are found in
matrix of mitochondria
outer wall of mitochondria
cristae of mitochondria
cristae of mitochondria
The energy -releasing process in which the substrate is oxidised without an external electron acceptor called
fermentation
photorespiration
aerobic respiration
aerobic respiration
D.
aerobic respiration
Glycolysis is the first stage of the breakdown of glucose in the cytoplasm of the cell without using oxygen (electron acceptor). It is a stepwise process in which one molecule of glucose breaks into two molecules of pyruvic acid and a net gain of energy is 2 ATP and 2NADH2 molecules.
The stepwise breakdown of the respiratory substrate to CO2 and H2O in presence of oxygen is referred as aerobic respiration. It is a catabolic process and generates a large amount of energy to form ATP.
Anaerobic respiration n micro-organisms are called fermentation. Alcoholic fermentation is a breakdown of glucose into ethyl alcohol and CO2 in presence of enzyme of micro-organism. Photorespiration is light-induced oxidation of photosynthetic intermediates with the help of oxygen without releasing energy.
A competitive inhibitor of succinic dehydrogenase is
malonate
oxaloacetate
alpha-ketoglutarate
alpha-ketoglutarate
The chemiosmotic coupling hypothesis of oxidative phosphorylation proposes that Adenosine Triphosphate (ATP) is formed because
High energy bonds are formed in mitochondrial proteins
ADP is pumped out of the matrix into the intermembrane space
a proton gradient forms across the inner membrane
a proton gradient forms across the inner membrane
The overall goal of glycolysis, Krebs cycle and the electron transport system is the formation of
ATP in small stepwise units
ATP in one large oxidation reaction
Sugars
Sugars
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