In which one of the following processes CO2 is not released?
(a) Aerobic respiration in plants
(b) Aerobic respiration in animals
(c) Alcoholic fermentation
(d) Lactate fermentation

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The three boxes in this diagram represent the three major biosynthetic pathways in aerobic respiration. Arrow represent net reactants or products

Arrows numbered 4, 8, 12 can all be 
(a) NADH
(b) ATP
(c) H2O
(d) FAD+ or FADH2

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Which of the metabolites is common to respiration mediated breakdown of fats, carbohydrates and proteins?

(1) Glocose-6-phosphate 

(2) Fructose 1, 6, bisphosphate

(3) Pyruvic acid

(4) Acetyl Co-A

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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

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Aerobic respiratory pathway is appropriately termed 
(a) catabolic 
(b) parabolic 
(c) amphibolic 
(d) anabolic 

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The chemiosmotic coupling hypothesis of oxidative phosphorylation proposes that Adenosine Triphosphate (ATP) is formed because

(1) high energy bonds are formed in mitochondrial proteins

(2) ADP is pumped out of the matrix into the intermembrane space

(3) a proton gradient forms across the inner membrane

(4) there is a change in the permeability of the inner mitochondrial membrane toward Adenosine Diphosphate (ADP)

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Which one of the following mammalian cells is not capable of metabolising glucose to carbon-dioxide aerobically?
(a) White blood cells
(b) Unstriated muscle cells
(c) Liver cells
(d) Red blood cells

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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) lactate dehydrogenase
(b) isocitrate dehydrogenase
(c) malate dehydrogenase
(d) succinate dehydrogenase

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The overall goal of glycolysis, Krebs cycle and the electron transport system is the formation of:
(a) ATP in small stepwise units
(b) ATP in one large oxidation reaction
(c) Sugars
(d) Nucleic acids

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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) Two 
(b) Thirty
(c) Fifty seven
(d) One

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