Site of Krebs cycle and oxidative phosphorylation. -Biology

Site of Krebs cycle and oxidative phosphorylation. -Biology
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Out of 38 ATP molecules produced per glucose, 32 ATP molecules are formed from NADH/FADH2 in (a) respiratory chain (b) Krebs’ cycle (c) oxidative decarboxylation (d) EMP.

Description : Out of 38 ATP molecules produced per glucose, 32 ATP molecules are formed from NADH/FADH2 in (a) respiratory chain (b) Krebs’ cycle (c) oxidative decarboxylation (d) EMP.

Last Answer : (a) respiratory chain

The following are true about the oxidation of glucose: a. glycolysis produces 3% of the energy ultimately obtained from glucose b. the first stage of glycolysis involves phosphorylation of glucose to 1,6-fructose biphosphate. c. glucose enters the Kreb's cycle as pyruvate d. all above

Description : The following are true about the oxidation of glucose: a. glycolysis produces 3% of the energy ultimately obtained from glucose b. the first stage of glycolysis involves phosphorylation of glucose to 1,6-fructose biphosphate. c. glucose enters the Kreb's cycle as pyruvate d. all above

Last Answer : all above

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 with NAD that can pick up hydrogen atoms. (d) Oxidative phosphorylation takes place in outer mitochondrial membrane

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

Glucose is to photosynthesis as pyruvate is to _____. a. Oxidative Phosphorylation b. Glycolysis c. Fermentation d. Citric Acid Cycle

Description : Glucose is to photosynthesis as pyruvate is to _____. a. Oxidative Phosphorylation b. Glycolysis c. Fermentation d. Citric Acid Cycle

Last Answer : a. Oxidative Phosphorylation

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 C- Because it lacks the genes needed for TCA cycle and oxidative phosphorylation D- Because it requires extremely low temperature at which water freezes

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

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

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

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 with NAD that can pick up hydrogen atoms. (4) Oxidative phosphorylation takes place in outer mitochondrial membrane.

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.

Why is oxygen needed for oxidative phosphorylation? -Biology

Description : Why is oxygen needed for oxidative phosphorylation? -Biology

Last Answer : answer:

What is oxidative phosphorylation? -Biology

Description : What is oxidative phosphorylation? -Biology

Last Answer : answer:

The 1992 Nobel Prize for medicine was awarded to Edmond H. Fischer and Edwin J. Krebs for their work concerning (a) reversible protein phosphorylation as a biological regulation mechanism (b) isolation of the gene for a human disease (c) human genome project (d) drug designing involving inhibition of DNA synthesis of the pathogen.

Description : The 1992 Nobel Prize for medicine was awarded to Edmond H. Fischer and Edwin J. Krebs for their work concerning (a) reversible protein phosphorylation as a biological regulation mechanism (b) ... (c) human genome project (d) drug designing involving inhibition of DNA synthesis of the pathogen.

Last Answer : (a) reversible protein phosphorylation as a biological regulation mechanism

An oxidative phosphorylation is the formation of

Description : An oxidative phosphorylation is the formation of

Last Answer : An oxidative phosphorylation is the formation of A. `NADPH_(2)` in respiration B. `NADPH_(2)` ... C. ATP in respiration D. ATP in photosynthesis

The chemical inhibiting oxidative phosphorylation, Adependent on the transport of adenine nucleotides across the inner mitochondrial membrane is (A) Oligomycin (B) Atractyloside (C) Dinitrophenol (D) Pentachlorophenol

Description : The chemical inhibiting oxidative phosphorylation, Adependent on the transport of adenine nucleotides across the inner mitochondrial membrane is (A) Oligomycin (B) Atractyloside (C) Dinitrophenol (D) Pentachlorophenol

Last Answer : Answer : B

An uncoupler of oxidative phosphorylation is (A) Carboxin (B) Atractyloside (C) Amobarbital (D) Dinitrocresol

Description : An uncoupler of oxidative phosphorylation is (A) Carboxin (B) Atractyloside (C) Amobarbital (D) Dinitrocresol

Last Answer : Answer : D

The number of ATP produced in the oxidation of 1 molecule of NADPH in oxidative phosphorylation is (A) Zero (B) 2 (C) 3 (D) 4

Description : The number of ATP produced in the oxidation of 1 molecule of NADPH in oxidative phosphorylation is (A) Zero (B) 2 (C) 3 (D) 4

Last Answer : Answer : A

Chemiosmotic theory for oxidative phosphorylation has been proposed by (A) Chance and Williams (B) Pauling and Corey (C) S. Waugh (D) P. Mitchell

Description : Chemiosmotic theory for oxidative phosphorylation has been proposed by (A) Chance and Williams (B) Pauling and Corey (C) S. Waugh (D) P. Mitchell

Last Answer : Answer : D

In non shivering thermogenesis (A) Glucose is oxidized to lactate (B) Fatty acids uncouple oxidative phosphorylation (C) Ethanol is formed (D) ATP is burned for heat production

Description : In non shivering thermogenesis (A) Glucose is oxidized to lactate (B) Fatty acids uncouple oxidative phosphorylation (C) Ethanol is formed (D) ATP is burned for heat production

Last Answer : Answer : B

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 mitochondrial membrane (B) It is inhibited by oligomycin (C) It can exhibit ATPase activity (D) It can bind molecular O2

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

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 : 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

Last Answer : B

Tissues form lactic acid from glucose. This phenomenon is termed as (A) Aerobic glycolysis (B) Oxidation (C) Oxidative phosphorylation (D) Anaerobic glycolysis

Description : Tissues form lactic acid from glucose. This phenomenon is termed as (A) Aerobic glycolysis (B) Oxidation (C) Oxidative phosphorylation (D) Anaerobic glycolysis

Last Answer : D

Glycogenin is (A) Uncoupler of oxidative phosphorylation (B) Polymer of glycogen molecules (C) Protein primer for glycogen synthesis (D) Intermediate in glycogen breakdown

Description : Glycogenin is (A) Uncoupler of oxidative phosphorylation (B) Polymer of glycogen molecules (C) Protein primer for glycogen synthesis (D) Intermediate in glycogen breakdown

Last Answer : C

Oxidative phosphorylation is production of (a) ATP in photosynthesis (b) NADPH in photosynthesis (c) ATP in respiration (d) NADH in respiration

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

Oxidative phosphorylation is (a) formation of ATP by transfer of phosphate group from a substrate to ADP (b) oxidation of phosphate group in ATP (c) addition of phosphate group to ATP (d) formation of ATP by energy released from electrons removed during substrate oxidation.

Description : Oxidative phosphorylation is (a) formation of ATP by transfer of phosphate group from a substrate to ADP (b) oxidation of phosphate group in ATP (c) addition of phosphate group to ATP (d) formation of ATP by energy released from electrons removed during substrate oxidation.

Last Answer : (d) formation of ATP by energy released from electrons removed during substrate oxidation.

The chemiosmotic coupling hypothesis of oxidative phosphorylation proposes that adenosine triphosphate (ATP) is formed because (a) a proton gradient forms across the inner membrane(b) there is a change in the permeability of the inner mitochondrial membrane toward adenosine diphosphate (ADP) (c) high energy bonds are formed in mitochondrial proteins (d) ADP is pumped out of the matrix into the intermembrane space.

Description : The chemiosmotic coupling hypothesis of oxidative phosphorylation proposes that adenosine triphosphate (ATP) is formed because (a) a proton gradient forms across the inner membrane (b) there is a ... mitochondrial proteins (d) ADP is pumped out of the matrix into the intermembrane space.

Last Answer : (a) a proton gradient forms across the inner membrane

Read the following four statements (A – D). (A) Both photophosphorylation and oxidative phosphorylation involve uphill transport of protons across the membrane. (B) In dicot stems, a new cambium originates from cells of pericycle at the time of secondary growth. (C) Stamens in flowers of Gloriosa and Petunia are polyandrous.(D) Symbiotic nitrogen fixers occur in free-living state also in soil.

Description : Read the following four statements (A - D). (A) Both photophosphorylation and oxidative phosphorylation involve uphill transport of protons across the membrane. (B) In dicot stems, a new cambium ... Petunia are polyandrous. (D) Symbiotic nitrogen fixers occur in free-living state also in soil.

Last Answer : (A) Both photophosphorylation and oxidative phosphorylation involve uphill transport of protons across the membrane.

Emerson’s enhancement effect and Red drop have been instrumental in the discovery of (a) photophosphorylation and cyclic electron transport (b) oxidative phosphorylation (c) photophosphorylation and non-cyclic electron transport (d) two photosystems operating simultaneously.

Description : Emerson’s enhancement effect and Red drop have been instrumental in the discovery of (a) photophosphorylation and cyclic electron transport (b) oxidative phosphorylation (c) photophosphorylation and non-cyclic electron transport (d) two photosystems operating simultaneously.

Last Answer : (d) two photosystems operating simultaneously.

The most probable mechanism of action of imidazole antifungal drugs is: A. They bind to ergosterol in fungal cell membrane and make it leaky B. They interfere with ergosterol synthesis by fungi C. They interfere with fungal mitosis D. They block oxidative phosphorylation in fungi

Description : The most probable mechanism of action of imidazole antifungal drugs is: A. They bind to ergosterol in fungal cell membrane and make it leaky B. They interfere with ergosterol synthesis by fungi C. They interfere with fungal mitosis D. They block oxidative phosphorylation in fungi

Last Answer : B. They interfere with ergosterol synthesis by fungi

Site of Krebs cycle in mitochondria. -Biology

Description : Site of Krebs cycle in mitochondria. -Biology

Last Answer : answer:

Net gain of ATP of Krebs cycle and ETS. -Biology

Description : Net gain of ATP of Krebs cycle and ETS. -Biology

Last Answer : answer:

Why Krebs Cycle is called as citric acid cycle? -Biology

Description : Why Krebs Cycle is called as citric acid cycle? -Biology

Last Answer : answer:

What is the main function of the Krebs cycle? -Biology

Description : What is the main function of the Krebs cycle? -Biology

Last Answer : answer:

What are the products of the Krebs cycle? -Biology

Description : What are the products of the Krebs cycle? -Biology

Last Answer : answer:

Carbon components formed during Krebs cycle. -Biology

Description : Carbon components formed during Krebs cycle. -Biology

Last Answer : answer:

Gateway of Krebs cycle? -Biology

Description : Gateway of Krebs cycle? -Biology

Last Answer : answer:

What molecules are the main electron carriers of the Krebs cycle?

Description : What molecules are the main electron carriers of the Krebs cycle?

Last Answer : NADH and FADH2

Why is the Krebs cycle called the TCA cycle ?

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.

Why is Krebs cycle called citric acid cycle ?

Description : Why is Krebs cycle called citric acid cycle ?

Last Answer : The first acid produced in the Krebs-cycle is 6 - carbon citric acid. Since the Krebs cycle begins with citric acid, the Krebs cycle is called the citric acid cycle.

What is the Krebs cycle ?

Description : What is the Krebs cycle ?

Last Answer : In the second stage of respiration, acetyl co-derived from pyruvic acid enters the mitochondria which produces various types of organic acids , carbon dioxide and water in a cycle called Krebs-cycle.

Where do the reactions of the Krebs cycle take place in the cell ?

Description : Where do the reactions of the Krebs cycle take place in the cell ?

Last Answer : Krebs cycle reactions occur in the mitochondria of the cell.

Where is the Krebs cycle ?

Last Answer : mitochondria.

Who discovered the Krebs cycle ?

Last Answer : The Krebs cycle was discovered by Sir Hans Krebs

$ Krebs cycle occurs in the matrix of mitochondria. ! ATP as is a respiratory enzyme.

Description : $ Krebs cycle occurs in the matrix of mitochondria. ! ATP as is a respiratory enzyme.

Last Answer : $ Krebs cycle occurs in the matrix of mitochondria. ! ATP as is a respiratory enzyme. A. If both As and ... R is wrong D. If both As and R are wrong.

Krebs cycle which is also called aerobic respiration require `O_(2)` supply.

Description : Krebs cycle which is also called aerobic respiration require `O_(2)` supply.

Last Answer : Krebs cycle which is also called aerobic respiration require `O_(2)` supply.

Krebs cycle which is also called aerobic respiration require `O_(2)` supply.

Description : Krebs cycle which is also called aerobic respiration require `O_(2)` supply.

Last Answer : Krebs cycle which is also called aerobic respiration require `O_(2)` supply.

How many ATP are made directly Krebs cycle?

Description : How many ATP are made directly Krebs cycle?

Last Answer : Need answer

Why does the Calvin cycle and the Krebs cycle are referred to as cycles of chemical reactions?

Description : Why does the Calvin cycle and the Krebs cycle are referred to as cycles of chemical reactions?

Last Answer : Need answer

In addition of ATP what types of molecules are produced in the Krebs cycle?

Description : In addition of ATP what types of molecules are produced in the Krebs cycle?

Last Answer : Gtp,nadh2,fadh2,co2

What is the starting carbon substance that enters the Krebs citric acid cycle?

Description : What is the starting carbon substance that enters the Krebs citric acid cycle?

Last Answer : What is the answer ?

Who is Krebs cycle researcher?

Description : Who is Krebs cycle researcher?

Last Answer : Need answer

What molecule are the main electrons carriers of Krebs cycle?

Description : What molecule are the main electrons carriers of Krebs cycle?

Last Answer : NADH and FADH2

The reaction of Kreb’s cycle which does not require cofactor of vitamin B group is (A) Citrate isocitrate (B) α -Ketoglutarate succinate (C) Malate oxaloacetate (D) Succinate fumarate

Description : The reaction of Kreb’s cycle which does not require cofactor of vitamin B group is (A) Citrate isocitrate (B) α -Ketoglutarate succinate (C) Malate oxaloacetate (D) Succinate fumarate

Last Answer : Answer : A