Aerobic respiratory pathway is appropriately termed:
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Solution
All energy-releasing pathways whether aerobic(requiring oxygen) or anaerobic (not requiring oxygen)begin with a pathway called glycolysis, which occurs in the cytoplasm (cytosol).Aerobic respiratory pathway is appropriately termed amphibolic. Aerobic respiration is the main energy-releasing pathway leading to ATP formation. It occurs in the mitochondria. Aerobic respiration yields thirty-six ATP.
The chemiosmotic coupling hypothesis of oxidative phosphorylation proposes that adenosine triphosphate (ATP)is formed because:
In TCA cycle the conversion of succinyl Co-A to succinic acid requires
In germinating seeds fatty acids are degraded exclusively in the
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Solution
In germinating seeds, fatty acids are degraded exclusively in the glyoxysomes.Glyoxylate cycle occurs in tissues rich in fats, such as those of germinating seeds; the enzymes involved in the cycle,which have not been found in mammals, are contained in organelles called glyoxysomes.
The energy-releasing process in which the substrate is oxidised without an external electron acceptor is called
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Solution
Glycolysis takes place in all body cells and is of two types-
(a)Anaerobic glycolysis-From glycogen or glucose to lactic acid in muscles.(b)Aerobic glycolysis- From glycogen or glucose to pyruvic acid (all cells of body).
All enzymes of TCA cycle are located in themitochondrial matrix except one which is located in inner mitochondrial membranes in eukaryotes and in cytosol in prokaryotes. This enzyme is
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Solution
Succinate:ubiquinone oxidoreductase, also known in mitochondria as Complex II, provides a link between the citric acid cycle and the membrane-bound electron-transport system. The membrane extrinsic, water-soluble domain, known as succinate dehydrogenase(SDH),contains the fumarate/succinate active site with a covalently bound FAD group and three iron-sulfurclusters: [2Fe-2S]2 +/1+, [4Fe-4S]2+/1+, and [3Fe-4S]1+/0. The enzyme catalyzes the inter conversion of fumarate and succinate, and is closely related to fumarate reductase.
In which of the following reaction of glycolysis, a molecule of water is removed from the substrate ?
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 ?
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Solution
12 kcal of energy present in one molecule of ATP & on oxidation of one mole of glucose into CO2 and H2O energy released in 686 kcal. So no. of ATP which can store this energy would be= 57.1 = 57 ATPs.
During the stage in the complete oxidation of glucose are the greatest number of ATP molecules formed from ADP
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Solution
ATP molecules from ADP are generated maximum in electron transport chain.
Chemiosmotic theory of ATP synthesis in the chloroplasts and mitochondria is based on