Description : Most of the metabolic pathways are either anabolic or catabolic. Which of the following pathways is considered as “amphibolic” in nature? (A) Glycogenesis (B) Glycolytic pathway (C) Lipolysis (D) TCA cycle
Last Answer : D
Description : Most major metabolic pathways are considered mainly either anabolic or catabolic. Which of the following pathway is most correctly considered to be amphibolic? (A) Citric acid cycle (B) Gluconeogenesis (C) Lipolysis (D) Glycolysis
Last Answer : Answer : A
Description : Aerobic respiratory pathway is appropriately termed (a) parabolic (b) amphibolic (c) anabolic (d) catabolic
Last Answer : (b) amphibolic
Description : Intracellular enzymes A-synthesize cellular material only B- .synthesize cellular material and perform catabolic reaction C- synthesize cellular material and perform anabolic reaction D- only provide energy to the cell
Last Answer : .synthesize cellular material and perform catabolic reaction
Description : Contrast and compare exergonic reactions versus endergonic reactions. Which reaction type matches with anabolic reactions? Which matches with catabolic reactions?
Last Answer : Exergonic is when energy is released. In contrast, endergonic requires energy; it absorbs free energy. Magnitude of ΔG for an exergonic reaction represents the max amount of work a reaction can ... In that train of thought, endergonic would match with anabolic, as energy is consumed/required.
Description : $ the sum total of anabolic and catabolic activities is called metabolism ! Organisms with positive metabolism remain healthy.
Last Answer : $ the sum total of anabolic and catabolic activities is called metabolism ! Organisms with positive metabolism ... D. If both As and R are wrong.
Description : Photosynthesis is a process (a) Reductive and exergonic (b) Reductive and catabolic (c) Reductive, endergonic and catabolic (d) Reductive, endergonic and anabolic
Last Answer : Ans:(d)
Description : Respiration is regarded as a – (1) Synthetic Process (2) Catabolic Process (3) Anabolic Process (4) Reduction Process
Last Answer : (2) Catabolic Process Explanation: Cellular respiration is a catabolic process because it is breaking down glucose to eventually transfer energy into its usable form in ATP. An anabolic process builds things up, photosynthesis is a version of this and the metabolic opposite of cellular respiration.
Description : Respiration is regarded as a (1) Synthetic Process (2) Catabolic Process (3) Anabolic Process (4) Reduction Process
Last Answer : Catabolic Process
Description : Why the bacterium Treponemapallidum is difficult to culture? A-.Because it requires a great deal of water to reproduce B- .Because it is unable to use carbohydrates as an energy source ... TCA cycle and oxidative phosphorylation D- Because it requires extremely low temperature at which water freezes
Last Answer : Because it lacks the genes needed for TCA cycle and oxidative phosphorylation
Description : Which of the following statements regarding T.C.A cycle is true? (A) It is an anaerobic process (B) It occurs in cytosol (C) It contains no intermediates for Gluconeogenesis (D) It is amphibolic in nature
Description : An amphibolic pathway among the following is (A) HMP shunt (B) Glycolysis (C) Citirc acid cycle (D) Gluconeogenesis
Last Answer : C
Description : Why is the Krebs cycle called the TCA cycle ?
Last Answer : The first acid produced in the Krebs cycle is citric acid. Since citric acid contains three carboxylic (- COOH) radicals , the Krebs-cycle is called the TCA cycle or tri-carboxylic acid cycle.
Description : TCA cycle starts with the condensation of acetyl group with (A) _____ (B)_____ to yield citric acid.
Last Answer : TCA cycle starts with the condensation of acetyl group with (A) _____ (B)_____ to yield citric acid.
Description : cAMP is so called because it is formed during (A) TCA cycle (B) Urea cycle (C) Rhodopsin cycle (D) It has a cyclic structure
Last Answer : Answer : D
Description : All of the following compounds are intermediates of TCA cycle except (A) Maleate (B) Pyruvate (C) Oxaloacetate (D) Fumarate
Last Answer : Answer : B
Description : In TCA cycle, oxalosuccinate is converted to α-ketoglutarate by the enzyme: (A) Fumarase (B) Isocitrate dehydrogenase (C) Aconitase (D) Succinase
Description : The most important source of reducing equivalents for FA synthesis on the liver is (A) Glycolysis (B) HMP-Shunt (C) TCA cycle (D) Uronic acid pathway
Description : Citrulline is an intermediate of (A) TCA cycle (B) Urea cycle (C) Pentose cycle (D) Calvin cycle
Description : The integrator between the TCA cycle and urea cycle is (A) Fumarate (B) Malate (C) Pyruvate (D) Citrate
Description : Out of 24 mols of ATP formed in TCA cycle, 2 molecules of ATP can be formed at “substrate level” by which of the following reaction ? (A) Citric acid→ Isocitric acid (B) Isocitrate→ Oxaloacetate (C) Succinic acid→ Fumarate (D) Succinylcat→ Succinic acid
Description : Before pyruvic acid enters the TCA cycle it must be converted to (A) Acetyl CoA (B) Lactate (C) α-ketoglutarate (D) Citrate
Last Answer : A
Description : One molecule of glucose gives ______ molecules of CO2 in EM-TCA cycle. (A) 6 (B) 3 (C) 1 (D) 2
Description : Substrate level phosphorylation in TCA cycle is in step: (A) Isocitrate dehydrogenase (B) Malate dehydrogenase (C) Aconitase (D) Succinate thiokinase
Description : The number of molecules of ATP produced by the total oxidation of acetyl CoA in TCA cycle is (A) 6 (B) 8 (C) 10 (D) 12
Description : Our body can get pentoses from (A) Glycolytic pathway (B) Uromic acid pathway (C) TCA cycle (D) HMP shunt
Description : Pentose production is increased in (A) HMP shunt (B) Uromic acid pathway (C) EM pathway (D) TCA cycle
Description : 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.
Last Answer : (c) succinate dehydrogenase
Description : Which of these statements is incorrect? (a) Enzymes of TCA cycle are present in mitochondrial matrix. (b) Glycolysis occurs in cytosol. (c) Glycolysis operates as long as it is supplied ... that can pick up hydrogen atoms. (d) Oxidative phosphorylation takes place in outer mitochondrial membrane
Last Answer : (d) Oxidative phosphorylation takes place in outer mitochondrial membrane
Description : Oxidative phosphorylation involves (A) Electron transport system (B) Substrate level phosphorylation (C) Reaction catalyzed by succinic thiokinase in TCA cycle (D) None of the above
Last Answer : (A) Electron transport system
Description : In the TCA cycle, at which of the following enzyme-catalyzed steps, incorporation of elements of water into an intermediate of the cycle takes place : (A) Citrate synthase (B) Aconitase (C) Maleate dehydrogenase (D) Succinyl Co-A synthase
Last Answer : (C) Maleate dehydrogenase
Description : Which of these statements is incorrect ? (1) Enzymes of TCA cycle are present in mitochondrial matrix. (2) Glycolysis occurs in cytosol. (3) Glycolysis operates as long as it is supplied ... that can pick up hydrogen atoms. (4) Oxidative phosphorylation takes place in outer mitochondrial membrane.
Last Answer : (4) Oxidative phosphorylation takes place in outer mitochondrial membrane.
Description : TCA also known as a. Kreb’s Cycle b. Glycolysis c. Acetolysis d. None of the above
Last Answer : a. Kreb’s Cycle
Description : What are amphibolic pathways? -Biology
Last Answer : answer:
Description : Why are amphibolic pathways important? -Biology
Description : The respiratory pathway is an amphibolic pathway. -Biology
Description : The most important preformed mediator of allergic reactions is/are a. Prostaglandin b. Interleukin c. Histamine d. Leukotrienes
Last Answer : c. Histamine
Description : The major histocompatibility complex of antigens may be found a. On the surface of body cells. b. Only on cells sensitized during allergy reactions. c. Only on cells involved in a xenograft. d. On cells stimulated by the urushiol in poison ivy plants.
Last Answer : a. On the surface of body cells.
Description : An essential element of all allergy reactions is the a. Release of interferons from tissue cells. b. Accumulation of ige on the surfaces of mast cells and basophils. c. Passage of igg from the immune system to local tissue cells. d. Elimination of all traces of plasma cells from the body.
Last Answer : b. Accumulation of ige on the surfaces of mast cells and basophils.
Description : What is the advantage of a recombinant subunit vaccine? a. it can't cause disease b. adverse reactions are rare because only the important subunits of the antigen are included c. the vaccine is not made from blood fragments d. A-C are correct
Last Answer : d. A-C are correct
Description : Chemoautotrophic bacteria obtain the energy they need from a. The Reactions Of Photosynthesis. b. Sunlight. c. Carbon Dioxide In The Atmosphere. d. Inorganic Chemicals.
Last Answer : b. Sunlight.
Description : In fermentation reactions occurring in yeast, two products of metabolism are ______ and ______. a. Acid; Hydrogen Gas b. Hydrogen Gas; Sucrose c. Ethyl Alcohol; Methane d. Carbon Dioxide; Ethyl Alcohol
Last Answer : a. Acid; Hydrogen Gas
Description : Which one of the following is correct sequence for the flow of electrons in the energy-fixing reactions of photosynthesis? a. Water-photosystem 1-photosystem II-NADPH b. Photosystem I-NADPH-water- ... --- photosystem II------ photosystem I-NADPH d. NADPH-photosystem Il-photosystem I-water
Last Answer : d. NADPH—photosystem Il—photosystem I—water
Description : Which of the following(s) is/are the products of the light reactions of photosynthesis? A.ATP only B.NADPH only C.ATP and O2 only D.ATP, NADPH, and O2
Last Answer : D.ATP, NADPH, and O2
Description : Organic molecules that increase the rate of metabolic reactions with themselveschangingareknown as A- coenzymes B- enzymes C- substrates D- .reactants
Last Answer : enzymes
Description : Isozymes or iso enzymes are those enzyme which A- have same structural forms B- have different structural forms but identical catalytic properties C- catalyses oxidation reactions D- none of these
Last Answer : have different structural forms but identical catalytic properties
Description : What is needed in order for reactions to occur at body temperatures? a. buffers b. acids c. bases d. enzymes
Last Answer : d. enzymes
Description : An ___________ solution which consists of solutes in water, is essential for chemical reactions to occur. a. hydrophobic b. aqueous c. covalent d. vitreous
Last Answer : b. aqueous