In the synthesis of 1 molecule of urea in the Kreb’s Hanseleit cycle, the number of ATPs required is (A) 1 (B) 2 (C) 3 (D) 4

In the synthesis of 1 molecule of urea in the Kreb’s Hanseleit cycle, the number of ATPs required is (A) 1 (B) 2 (C) 3 (D) 4
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In the synthesis of 1 molecule of urea in the Kreb’s Henseleit cycle the number of AMPs formed is (A) 1 (B) 2 (C) 3 (D) 4

Description : In the synthesis of 1 molecule of urea in the Kreb’s Henseleit cycle the number of AMPs formed is (A) 1 (B) 2 (C) 3 (D) 4

Last Answer : Answer : A

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 : 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

Last Answer : Answer : C

How many ATPs are generated per one rotation of the citric acid cycle?

Description : How many ATPs are generated per one rotation of the citric acid cycle?

Last Answer : 12 ATP.

In ureotelic animals, urea is formed by (a) Krebs’ cycle (b) EM pathway (c) Ornithine cycle (d) Cori cycle.

Description : In ureotelic animals, urea is formed by (a) Krebs’ cycle (b) EM pathway (c) Ornithine cycle (d) Cori cycle.

Last Answer : (c) Ornithine cycle

In which one of the following do the two names refer to one and the same thing ? (a) Krebs’ cycle and Calvin cycle (b) Tricarboxylic acid cycle and citric acid cycle (c) Citric acid cycle and Calvin cycle (d) Tricarboxylic acid cycle and urea cycle

Description : In which one of the following do the two names refer to one and the same thing ? (a) Krebs’ cycle and Calvin cycle (b) Tricarboxylic acid cycle and citric acid cycle (c) Citric acid cycle and Calvin cycle (d) Tricarboxylic acid cycle and urea cycle

Last Answer : (b) Tricarboxylic acid cycle and citric acid cycle

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

Out of 36 ATP molecules produced per glucose molecule during respiration (a) 2 are produced outside glycolysis and 34 during respiratory chain (b) 2 are produced outside mitochondria and 34 inside mitochondria (c) 2 during glycolysis and 34 during Krebs’ cycle (d) all are formed inside mitochondria

Description : Out of 36 ATP molecules produced per glucose molecule during respiration (a) 2 are produced outside glycolysis and 34 during respiratory chain (b) 2 are produced outside mitochondria and 34 inside ... (c) 2 during glycolysis and 34 during Krebs' cycle (d) all are formed inside mitochondria

Last Answer : (b) 2 are produced outside mitochondria and 34 inside mitochondria

Which statement is wrong for Krebs’ cycle? (a) There is one point in the cycle where FAD+ is reduced to FADH2. (b) During conversion of succinyl CoA to succinic acid, a molecule of GTP is synthesised. (c) The cycle starts with condensation of acetyl group (acetyl CoA) with pyruvic acid to yield citric acid. (d) There are three points in the cycle where NAD+ is reduced to NADH + H+.

Description : Which statement is wrong for Krebs' cycle? (a) There is one point in the cycle where FAD+ is reduced to FADH2. (b) During conversion of succinyl CoA to succinic acid, a molecule of GTP is synthesised. (c ... citric acid. (d) There are three points in the cycle where NAD+ is reduced to NADH + H+.

Last Answer : (c) The cycle starts with condensation of acetyl group (acetyl CoA) with pyruvic acid to yield citric acid.

Synthesis of the following enzymes is increased during starvation. (A) Digestive enzymes (B) Gluconeogenic enzymes (C) Urea cycle enzymes (D) Glucokinase

Description : Synthesis of the following enzymes is increased during starvation. (A) Digestive enzymes (B) Gluconeogenic enzymes (C) Urea cycle enzymes (D) Glucokinase

Last Answer : Answer : B

The number of ATP required for urea synthesis is (A) 0 (B) 1 (C) 2 (D) 3

Description : The number of ATP required for urea synthesis is (A) 0 (B) 1 (C) 2 (D) 3

Last Answer : Answer : D

The sequence of amino acids in human growth hormone and the synthesis were done by (A) Sanger (B) Krebs (C) Chah Holi (D) Molisch

Description : The sequence of amino acids in human growth hormone and the synthesis were done by (A) Sanger (B) Krebs (C) Chah Holi (D) Molisch

Last Answer : Answer : C

Carbamoyl phosphate required for urea synthesis is formed in (A) Cytosol (B) Mitochondria (C) Both (A) and (B) (D) None of these

Description : Carbamoyl phosphate required for urea synthesis is formed in (A) Cytosol (B) Mitochondria (C) Both (A) and (B) (D) None of these

Last Answer : Answer : B

How many ATPs are produced in the conversion of phosphoenol pyruvate to citrate? (A) 1 (B) 2 (C) 4 (D) 6

Description : How many ATPs are produced in the conversion of phosphoenol pyruvate to citrate? (A) 1 (B) 2 (C) 4 (D) 6

Last Answer : C

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

Insulin is a protein which controls (A) Blood clotting (B) Metabolic pathway (C) Digestion (D) Kreb’s cycle

Description : Insulin is a protein which controls (A) Blood clotting (B) Metabolic pathway (C) Digestion (D) Kreb’s cycle

Last Answer : Answer : B

Why is the Krebs cycle important in energy metabolism?

Description : Why is the Krebs cycle important in energy metabolism?

Last Answer : The Krebs cycle is essential for energy metabolism because electrons are given off at several places during the reactions of the cycle. At three different points of each cycle, pairs of electrons ... ATP molecules are in addition to the two ATP molecules resulting from the reactions of glycolysis.  

The following 4 amino acids are required for completion of urea cycle except (A) Aspartic acid (B) Arginine (C) Ornithine (D) Glycine

Description : The following 4 amino acids are required for completion of urea cycle except (A) Aspartic acid (B) Arginine (C) Ornithine (D) Glycine

Last Answer : Answer : D

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

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

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

For the synthesis of one glucose molecule the Calvin cycle operates for (a) 2 times (b) 4 times (c) 6 times (d) 8 times.

Description : For the synthesis of one glucose molecule the Calvin cycle operates for (a) 2 times (b) 4 times (c) 6 times (d) 8 times.

Last Answer : (c) 6 times

The net gain of ATP in glycolysis is (A) 12 ATPs (B) 24 ATPs (C)1 ATP (D) 2 ATPs

Description : The net gain of ATP in glycolysis is (A) 12 ATPs (B) 24 ATPs (C)1 ATP (D) 2 ATPs

Last Answer : (D) 2 ATPs

What is the product of glycolysis? a. pyruvate and 2 ATPs b. AcetylCoA and 4 ATPs c. CO2 and H20 and 36 ATPs d. pyruvic acid and 6 ATPs

Description : What is the product of glycolysis? a. pyruvate and 2 ATPs b. AcetylCoA and 4 ATPs c. CO2 and H20 and 36 ATPs d. pyruvic acid and 6 ATPs

Last Answer : d. pyruvic acid and 6 ATPs

An enzyme common to de novo synthesis of pyrimidine nucleotides and urea is (A) Urease (B) Carbamoyl phosphate synthetase (C) Aspartate transcarbamoylase (D) Argininosuccinase

Description : An enzyme common to de novo synthesis of pyrimidine nucleotides and urea is (A) Urease (B) Carbamoyl phosphate synthetase (C) Aspartate transcarbamoylase (D) Argininosuccinase

Last Answer : Answer : B

Hyperargininemia, a defect in urea synthesis develops due to deficiency of the enzyme: (A) Ornithine transcarbamoylase (B) Argininosuccinase (C) Arginase (D) Argininosuccinate synthetase ENZYMES 157

Description : Hyperargininemia, a defect in urea synthesis develops due to deficiency of the enzyme: (A) Ornithine transcarbamoylase (B) Argininosuccinase (C) Arginase (D) Argininosuccinate synthetase ENZYMES 157

Last Answer : Answer : B

Urea synthesis takes place in (A) Blood (B) Liver (C) Kidney (D) Heart

Description : Urea synthesis takes place in (A) Blood (B) Liver (C) Kidney (D) Heart

Last Answer : Answer : B

Cytosolic and mitochondrial carbamoyl phosphate synthetase have the following similarity: (A) Both use ammonia as a substance (B) Both provide carbamoyl phosphate for urea synthesis (C) Both require N-acetylglutamate as an activator (D) Both are allosteric enzymes

Description : Cytosolic and mitochondrial carbamoyl phosphate synthetase have the following similarity: (A) Both use ammonia as a substance (B) Both provide carbamoyl phosphate for urea synthesis (C) Both require N-acetylglutamate as an activator (D) Both are allosteric enzymes

Last Answer : Answer : C

The major site of urea synthesis is (A) Brain (B) Kidneys (C) Liver (D) Muscles

Description : The major site of urea synthesis is (A) Brain (B) Kidneys (C) Liver (D) Muscles

Last Answer : Answer : B

In urea synthesis, the amino acid functioning solely as an enzyme activator: (A) N-acetyl glutamate(B) Ornithine (C) Citrulline (D) Arginine

Description : In urea synthesis, the amino acid functioning solely as an enzyme activator: (A) N-acetyl glutamate(B) Ornithine (C) Citrulline (D) Arginine

Last Answer : Answer : A

The enzymes of urea synthesis are found in (A) Mitochondria only (B) Cytosol only (C) Both mitochondria and cytosol (D) Nucleus

Description : The enzymes of urea synthesis are found in (A) Mitochondria only (B) Cytosol only (C) Both mitochondria and cytosol (D) Nucleus

Last Answer : Answer : C

The main site of urea synthesis in mammals is (A) Liver (B) Skin (C) Intestine (D) Kidney

Description : The main site of urea synthesis in mammals is (A) Liver (B) Skin (C) Intestine (D) Kidney

Last Answer : Answer : A

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:

Site of Krebs cycle and oxidative phosphorylation. -Biology

Description : Site of Krebs cycle and oxidative phosphorylation. -Biology

Last Answer : answer:

Site of Krebs cycle in mitochondria. -Biology

Description : Site of Krebs cycle in mitochondria. -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