Description : Explain how during light reaction of photosynthesis, ATP synthesis is a chemiosmotic phenomenon. -Biology
Last Answer : answer:
Description : Potential energy is produced during a.Photorespiration b.Respiration c.Photosynthesis d.ATP synthesis
Last Answer : c.Photosynthesis
Description : In photosynthesis , for synthesis of one mole of glucose number of ATP and `NADPH_(2)` required is
Last Answer : In photosynthesis , for synthesis of one mole of glucose number of ATP and `NADPH_(2)` required is A. 10 and 20 B. 18 and 12 C. 8 and 6 D. 12 and 15
Description : The utilization of light energy to drive the synthesis of ATP is called as a. Photolysis b. Photophosphorylation c. Photosynthesis d. Respiration
Last Answer : Ans: C
Description : In photosynthesis, ATP is synthesized during
Last Answer : In photosynthesis, ATP is synthesized during A. Cyclic photophosphorylation B. Non-cyclic photophosphorylation C. ... 2) D. In the photolysis of water
Description : During light reaction of photosynthesis, which of the following phenomenon is observed during cyclic phosphorylation as well as non-cyclic phosphorylation? (a) Release of O2 (b) Formation of ATP (c) Formation of NADPH (d) Involvement of PS I and PS II pigment systems
Last Answer : (b) Formation of ATP
Description : In an ecosystem the rate of production of organic matter during photosynthesis is termed as
Last Answer : In an ecosystem the rate of production of organic matter during photosynthesis is termed as ... . Gross primary productivity D. Secondary productivity
Description : In an ecosystem the rate of production of organic matter during photosynthesis is termed as (a) secondary productivity (b) net productivity (c) net primary productivity (d) gross primary productivity.
Last Answer : (d) gross primary productivity.
Description : `ATP` synthesis during light reaction is
Last Answer : `ATP` synthesis during light reaction is A. Oxidative phosphorylation B. Photolysis C. Photophosphorylation D. Phosphorylation
Description : All of the following statements about the enzymic complex that carries out the synthesis of ATP during oxidative phosphorylation are correct except (A) It is located on the matrix side of the inner ... inhibited by oligomycin (C) It can exhibit ATPase activity (D) It can bind molecular O2
Last Answer : D
Description : Which of the following statements are true of oxidants? A. In addition to their pathophysiologic roles in inflammation, injury, and infection, oxidants also have physiologic roles. B. Oxidants may ... involved the catalytic production of superoxide anion (O 2 ) by the enzyme xanthine oxidase.
Last Answer : Answer: ABCD DISCUSSION: Oxidants are reactive oxygen metabolites that have both physiologic and pathophysiologic roles. As potent oxidizing agents, oxidants are involved in cytochrome P ... leukocyte infiltration and activation, causing further tissue damage by the release of cytotoxic proteases
Description : Manganese is required in (a) plant cell wall formation (b) photolysis of water during photosynthesis (c) chlorophyll synthesis (d) nucleic acid synthesis.
Last Answer : d) nucleic acid synthesis.
Description : $ The first step towards photosynthesis is reduction of `CO_2`. ! ATP is released by the reduction of `CO_2`.
Last Answer : $ The first step towards photosynthesis is reduction of `CO_2`. ! ATP is released by the reduction of `CO_2 ... wrong D. If both As and R are wrong.
Description : In photosynthesis directly light driven reaction are called (A)_____ while some reactions are depends on the products of light reaction (ATP and NADPH
Last Answer : In photosynthesis directly light driven reaction are called (A)_____ while some reactions are depends ... and NADPH) conventinally called as (B)____
Description : What is the role if ATP synthase in photosynthesis?
Last Answer : What is the answer ?
Description : Source of energy in ecosystem is – (1) Sun (2) Green plants (3) Sugar produced in photosynthesis (4) ATP
Last Answer : (1) Sun Explanation: An ecosystem is a community of living and non-living things that work together. It includes soil, atmosphere, heat and light from the sun, water and living organisms.
Description : How many ATP are required to produce 1 mole of hexose in photosynthesis? (a) 8 (b) 18 (c) 28 (d) 38
Last Answer : (b) 18
Description : Oxidative phosphorylation is production of (a) ATP in photosynthesis (b) NADPH in photosynthesis (c) ATP in respiration (d) NADH in respiration
Last Answer : (c) ATP in respiration
Description : In photosynthesis energy from light reaction to dark reaction is transferred in the form of (a) ADP (b) ATP (c) RuDP (d) chlorophyll.
Last Answer : (b) ATP
Description : The first step for initiation of photosynthesis will be (a) photolysis of water (b) excitement of chlorophyll molecules due to absorption of light (c) ATP formation (d) glucose formation.
Last Answer : (b) excitement of chlorophyll molecules due to absorption of light
Description : Which of the following is not a product of light reaction of photosynthesis? (a) ATP (b) NADH (c) NADPH (d) Oxygen
Last Answer : b) NADH
Description : A key energy compound in bacterial photosynthesis by cyanobacteria is ______ and a major end-product is ______. a. GTP; protein b. citrate; lactose c. glucose; chlorophyll d. ATP; glucose
Last Answer : c. glucose; chlorophyll
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 : The use of oxygen gas (02) in an exergonic pathway generating ATP is called a. Anaerobic Respiration. b. Photosynthesis. c. Aerobic Respiration. d. Fermentation.
Last Answer : c. Aerobic Respiration.
Description : Which of the following is not a product of light reaction of photosynthesis ? (1) ATP (2) NADH (3) NADPH (4) Oxygen
Last Answer : (2) NADH
Description : Source of energy in ecosystem is (1) Sun (2) Green plants (3) Sugar produced in photosynthesis (4) ATP
Last Answer : Sun
Description : Conversion of Alanine to carbohydrate is termed: (A) Glycogenesis (B) Gluconeogenesis (C) Glycogenolysis (D) Photosynthesis
Last Answer : B
Description : Chemiosmotic theory of ATP synthesis in the chloroplasts and mitochondria is based on
Last Answer : Chemiosmotic theory of ATP synthesis in the chloroplasts and mitochondria is based on A. Proton ... . Accumalation of Na ions D. Membrane potential
Description : Write the requriement for chemiosmotic ATP synthesis
Last Answer : Write the requriement for chemiosmotic ATP synthesis
Description : Synthesis of ATP and ADP and inorganic phoshate in presence of light is known as
Last Answer : Synthesis of ATP and ADP and inorganic phoshate in presence of light is known as
Description : Amanitin the mushroom poison inhibits (A) Glycoprotein synthesis (B) ATP synthesis (C) DNA synthesis (D) mRNA synthesis
Last Answer : Answer : D
Description : Synthesis of GMP and IMP requires the following: (A) NH3 NAD+, ATP (B) Glutamine, NAD+, ATP (C) NH3, GTP, NADP+ (D) Glutamine, GTP, NADP+
Last Answer : Answer : B
Description : The mRNA ready for protein synthesis has the ________ cap. (A) ATP (B) CTP (C) GTP (D) UTP
Last Answer : Answer : C
Description : Initiation of protein synthesis requires (A) ATP (B) AMP (C) GDP (D) GTP
Description : The cofactors required for synthesis of adenylosuccinate are (A) ATP, Mg++ (B) ADP (C) GTP, Mg++ (D) GDP
Description : Coenzymes derived from the vitamin shown below are required by enzymes involved in the synthesis of which of the following? (A) ATP (B) UTP (C) CTP (D) NADH
Last Answer : Answer : A
Description : Formation of acetyl CoA from pyruvate for de novo synthesis of fatty acids requires (A) Pyruvate dehydrogenase complex (B) Citrate synthetase (C) ATP citrate lyase (D) All of these
Description : Synthesis of sphingosine requires the cofactor (A) NAD (B) NADP (C) NADPH+ (D) ATP
Description : A soluble system for synthesis of fatty acids have been isolated from avian liver, required for the formation of long chain fatty acids by this system is (A) ATP (B) Acetyl CoA (C) NADPH (D) All of these
Description : De novo synthesis of fatty acids requires all of the following except (A) Biotin (B) NADH (C) Panthothenic acid (D) ATP
Description : Synthesis of glutamine is accompanied by the hydrolysis of (A) ATP (B) ADP (C) TPP (D) Creatin phosphate
Description : ATP is required in following reactions of urea cycle: (A) Synthesis of carbamoyl phosphate and citrulline (B) Synthesis of citrulline and argininosuccinate (C) Synthesis of argininosuccinate and arginine (D) Synthesis of carbamoyl phosphate and argininosuccinate
Description : A coenzyme required for the synthesis of glycine from serine is (A) ATP (B) Pyridoxal phosphate (C) Tetrahydrofolate (D) NAD
Description : All of the following are required for synthesis of glutamine except (A) Glutamate (B) Ammonia (C) Pyridoxal phosphate (D) ATP
Description : The number of ATP required for urea synthesis is (A) 0 (B) 1 (C) 2 (D) 3
Description : An uncoupler of oxidative phosphorylation such as dinitrophenol (A) Inhibits electron transport and ATP synthesis (B) Allow electron transport to proceed without ATP synthesis (C) Inhibits electron transport without impairment of ATP synthesis (D) Specially inhibits cytochrome b
Description : Net gain ATP synthesis from one molecule of glucose in respiration
Last Answer : Ans. 36 ATP
Description : The biochemical mechanism of action of digitalis is associated with (a) A decrease in calcium uptake by the sarcoplasmic reticulum (b) An increase in ATP synthesis (c) A modification of the actin molecule (d) An increase in systolic intracellular calcium levels (e) A block of sodium/calcium exchange
Last Answer : Ans: D
Description : Cyclooxygenase-1 and –2 are responsible for (a) The synthesis of prostaglandins from arachidonate (b) The synthesis of leukotrienes from arachidonate (c) The conversion of ATP to cAMP (d) The metabolic degradation of cAMP (e) The conversion of GTP to cGMP
Last Answer : Ans: A