In alcohol fermentation
(a) triose phosphate is the electron donor while
acetaldehyde is the electron acceptor
(b) triose phosphate is the electron donor while
pyruvic acid is the electron acceptor
(c) there is no electron donor
(d) oxygen is the electron acceptor

1 Answer

Answer :

(a) triose phosphate is the electron donor while
acetaldehyde is the electron acceptor

Related questions

Description : Styrene which is a monomer for the production of polystyrene, is commercially produced by the (A) Catalytic dehydrogenation of ethyl benzene (B) Dehydration of ethyl alcohol followed by hydrogenation (C) Reacting ethylene oxide with acetaldehyde (D) Fermentation of starch

Last Answer : (A) Catalytic dehydrogenation of ethyl benzene

Description : Styrene (a monomer for the production of polystyrene) is commercially produced by (A) Catalytic dehydrogenation of ethyl benzene (B) Dehydration of ethyl alcohol followed by hydrogenation (C) Reacting ethylene oxide with acetaldehyde (D) Fermentation of starch

Last Answer : (A) Catalytic dehydrogenation of ethyl benzene

Description : 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.

Last Answer : (b) fermentation

Description : Dihydroxyacetone phosphate and glyceraldehyde-3-phosphate are intercoverted by CARBOHYDRATES AND CARBOHYDRATE METABOLISM 13 (A) Triose isomerase (B) Phosphotriose isomerase (C) Diphosphotriose isomerase (D) Dihydroxyacetone phosphorylase

Last Answer : B

Description : When you do strenuous exercise, oxygen is used up rapidly. What substance is formed. a) pyruvic acid(pron: pie-ROO-vik) b) lactic acid c) glucose d) alcohol

Last Answer : ANSWER: B -- LACTIC ACID

Description : Oxygen acts as the final hydrogen acceptor in electron transport chain of mitochondria.

Last Answer : Oxygen acts as the final hydrogen acceptor in electron transport chain of mitochondria.

Description : Oxygen acts as the final hydrogen acceptor in electron transport chain of mitochondria.

Last Answer : Oxygen acts as the final hydrogen acceptor in electron transport chain of mitochondria.

Description : The end product of fermentation are (a) O2 and C2H5OH (b) CO2 and acetaldehyde (c) CO2 and O2 (d) CO2 and C2H5OH.

Last Answer : d) CO2 and C2H5OH.

Description : What is the end product of glycolysis (fermentation) in chordates (pron: KOR-dates) when there is INSUFFICIENT oxygen? a) lactic acid b) hydrogen c) sugar d) alcohol

Last Answer : ANSWER: A -- LACTIC ACID

Description : The following ions help in enzymatic transfer of phosphate from ATP to pyruvic acid: (A) Sodium (B) Calcium (C) Magnesium (D) Potassium

Last Answer : Answer : D

Description : Which of the metabolites is common to respiration- mediated breakdown of fats, carbohydrates and proteins? (a) Pyruvic acid (b) Acetyl CoA (c) Glucose - 6 - phosphate (d) Fructose 1, 6 - bisphosphate

Last Answer : (b) Acetyl CoA

Description : Which of the following biomolecules is common to respiration-mediated breakdown of fats, carbohydrates and proteins? (a) Glucose-6-phosphate (b) Fructose 1, 6-bisphosphate (c) Pyruvic acid (d) Acetyl CoA

Last Answer : d) Acetyl CoA

Description : End product of glycolysis is (a) acetyl CoA (b) pyruvic acid (c) glucose 1-phosphate (d) fructose 1-phosphate.

Last Answer : (b) pyruvic acid

Description : In sugarcane plant 14CO2 is fixed to malic acid, in which the enzyme that fixes CO2 is (a) ribulose biphosphate carboxylase (b) phosphoenol pyruvic acid carboxylase (c) ribulose phosphate kinase (d) fructose phosphatase.

Last Answer : (b) phosphoenol pyruvic acid carboxylase

Description : Reduction of acetaldehyde with H2/Ni gives (a) Ethyl alcohol (b) Acetic acid (c) Ethylene (d) Ethane

Last Answer : Ethyl alcohol

Description : Isopropyl alcohol reacts with acidic sodium dichromate to give (a) Acetaldehyde (b) Acetic acid (c) Propionic acid (d) Acetone

Last Answer : Acetone

Description : Phenylmagnesium bromide reacts with acetaldehyde to form an addition product which undergoes acid-hydrolysis to give (a) Diphenylcarbinol (b) Benzyl alcohol (c) Methylphenylcarbinol (d) Benzoic acid

Last Answer : Methylphenylcarbinol

Description : Which of the following compounds will react with methylmagnesium iodide followed by acid-hydrolysis to give ethyl alcohol? (a) Ethylene (b) Acetaldehyde (c) Formaldehyde (d) Acetone

Last Answer : Formaldehyde

Description : In Krebs’ cycle, the FAD precipitates as electron acceptor during the conversion of (a) fumaric acid to malic acid (b) succinic acid to fumaric acid (c) succinyl CoA to succinic acid (d) α-ketoglutarate to succinyl CoA.

Last Answer : (b) succinic acid to fumaric acid

Description : Any species that acts as an electron-pair acceptor a: w) Lewis base x) Bronsted base y) Lewis acid z) Bronsted acid

Last Answer : ANSWER: Y -- LEWIS ACID

Description : During which stage in the complete oxidation of glucose are the greatest number of ATP molecules formed from ADP? (a) Glycolysis (b) Krebs’ cycle (c) Conversion of pyruvic acid to acetyl CoA (d) Electron transport chain

Last Answer : (d) Electron transport chain

Description : At the end of glycolysis, six carbon compound ultimately changes into (a) ethyl alcohol (b) acetyl Co-A (c) pyruvic acid (d) ATP

Last Answer : (c) pyruvic acid

Description : Yeast play an important role in the alcohol industry, converting pyruvic acid into carbondioxide and ethyl alcohol by the process of A- glycolysis B- respiration C- fermentation D- Krebs cycle

Last Answer : fermentation

Description : What is the main purpose of fermentation in cells? a) production of ATP b) hydrolysis of starch c) production of alcohol d) burning of hydrogen with oxygen

Last Answer : ANSWER: A -- PRODUCTION OF ATP

Description : Xylulose-5-phosphate serves as a donar of active glycolaldehyde, the acceptor is (A) Erythrose 4-phosphate (B) Ribose 5-phosphate (C) Glyceraldehyde 3-phosphate (D) Sedoheptulose 7-phosphate

Last Answer : Answer : A

Description : The hydrogen acceptor used in pentose phosphate pathway is (A) NAD (B) NADP (C) FAD (D) FMN

Last Answer : Answer : B

Description : A compound which is an electron pair donor is generally classified as a: w) Lewis acid x) Bronsted base y) Bronsted acid z) Lewis base

Last Answer :  ANSWER: Z -- LEWIS BASE 

Description : All living organisms retain the enzymatic machinery to partially oxidise glucose without the help of oxygen. This breakdown of glucose to pyruvic acid

Last Answer : All living organisms retain the enzymatic machinery to partially oxidise glucose without the help of oxygen ... of glucose to pyruvic acid is called.

Description : All living organisms retain the enzymatic machinery to partially oxidise glucose without the help of oxygen. This breakdown of glucose to pyruvic acid

Last Answer : All living organisms retain the enzymatic machinery to partially oxidise glucose without the help of oxygen ... of glucose to pyruvic acid is called.

Description : Alcohol dehydrogenase converts ethanol into (A) Acetyl CoA (B) Acetaldehyde (C) Acetate (D) CO2 and H2O

Last Answer : Answer : B

Description : Which of the following reagents can be used to reduce acetaldehyde to ethyl alcohol? (a) 1. LiAlH4 / 2. H3O+ (b) 1. NaBH4 / 2. H3O+ (c) H2/Pt (d) All of these

Last Answer : All of these

Description : Which of the following compounds will react with methylmagnesium bromide to give tert-butyl alcohol? (a) Acetyl chloride (b) Acetone (c) Isopropyl alcohol (d) Acetaldehyde

Last Answer : Acetone

Description : Where is the most ATP produced in cellular respiration? a. Fermentation b. Electron Transport Chain c. Glycolysis d. Citric Acid Cycle

Last Answer : b. Electron Transport Chain

Description : The acquisition energy by glucose fermentation requires A.substrate-level phosphorylation B.electron transport of electrons from NADH C.long-chain fatty acid oxidation D.the enzyme formic-hydrogen lyase

Last Answer : A.substrate-level phosphorylation

Description : What is the final electron acceptor in aerobic respiration? -Biology

Last Answer : answer:

Description : What is the final electron acceptor in the light dependent reaction of photosynthesis? -Biology

Last Answer : answer:

Description : In photosystem-I the first electron acceptor is

Last Answer : In photosystem-I the first electron acceptor is A. Plastocyanin B. An iron-sulfur protein C. Ferrodoxin D. Cytochorme

Description : The first electron acceptor in photosystem-I of cyclic photophosphorylation is

Last Answer : The first electron acceptor in photosystem-I of cyclic photophosphorylation is A. Cytochrome B. Plastocyanin C. Ferrodoxin D. Plastoquinone

Description : Primary electron acceptor of PS-II is

Last Answer : Primary electron acceptor of PS-II is A. Pheophytin B. Ferredoxin C. PQ D. PC

Description : The correct sequence of electron acceptor in ATP synthesis is (a) Cyt. b, c, a3, a (b) Cyt. c, b, a, a3 (c) Cyt. a, a, b, c (d) Cyt. b, c, a, a3.

Last Answer : (d) Cyt. b, c, a, a3.

Description : What is the role of NAD+ in cellular respiration? (a) It functions as an enzyme. (b) It functions as an electron carrier. (c) It is a nucleotide source for ATP synthesis. (d) It is the final electron acceptor for anaerobic respiration.

Last Answer : c) It is a nucleotide source for ATP synthesis.

Description : In photosystem I, the first electron acceptor is (a) an iron-sulphur protein (b) ferredoxin (c) cytochrome (d) plastocyanin.

Last Answer : (a) an iron-sulphur protein

Description : Metalloids (A) Are good conductor of heat & electricity (B) Act as electron donors with metals & as electron acceptor with non metals (C) Are not necessarily solids at room temperature ... & non-metallic properties to some extent and are exemplified by elements like germanium, silicon & boron

Last Answer : D) Are compounds that exhibit both metallic & non-metallic properties to some extent and are exemplified by elements like germanium, silicon & boron

Description : What is the role of NAD+ in cellular respiration ? (1) It functions as an enzymes (2) It functions as an electron carrier (3) It is a nucleotide source for ATP synthesis (4) It is the final electron acceptor for anaerobic respiration

Last Answer : (2) It functions as an electron carrier

Description : A triose sugar is (A) Glycerose (B) Ribose (C) Erythrose (D) Fructose

Last Answer : A

Description : A triose sugar is (A) Glycerose (B) Ribose (C) Erythrose (D) Fructose

Last Answer : (A) Glycerose

Description : During fermentation of sugar, the compound which is always formed is – (1) Methyl Alcohol (2) Ethyl Alcohol (3) Acetic Acid (4) Ethylene

Last Answer : (2) Ethyl Alcohol Explanation: Fermentation is the conversion of sugar into car-bon dioxide has (CO2) and ethyl alcohol. This process is carried out by yeast cells using a range of enzymes.

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 pairs is mismatched? a. Alcohol-fermentation b. Pyruvate-glycolysis c. Carbon dioxide-glycolysis d. NADH-citric acid cycle

Last Answer : c. Carbon dioxide-glycolysis

Description : During fermentation of sugar, the compound which is always formed is : (1) Methyl Alcohol (2) Ethyl Alcohol (3) Acetic Acid (4) Ethylene

Last Answer : Ethyl Alcohol