337743
Which option is incorrect about Kreb's cycle?
1 It is also called citric acid cycle
2 The intermediate compound, which links glycolysis with Kreb's cycle is pyruvic acid
3 It occurs in mitochindria
4 It starts with oxalo acetic acid undergoing condensation
Explanation:
Option (2) is incorrect for Kreb's cycle and can be corrected as Acetyl Co-A is the intermediate compound between glycolysis and Kreb's cycle. Rest are correct.
BIOXI14: RESPIRATION IN PLANTS
337744
Choose the correct combination of \(\mathrm{A}\) to \(\mathrm{E}\) carbon compounds in the substrate molecules involve in T.C.A. cycle. \({\;\;\bf{A}}\;\;\;\;\;{\bf{B}}\;\;\;\;\;\;{\bf{C}}\;\;\;\;\;\;{\bf{D}}\;\;\;\;\;{\bf{E}}\)
The correct combination is (3) 4C, 6C, 5C, 4C,4C. Explanation: - A (OAA - Oxaloacetate) has 4 carbon atoms. - \(\mathrm{B}\) (Citric acid) is formed by the addition of a 2-carbon acetyl group to a 4-carbon oxaloacetate, making it a 6-carbon compound. - \(\quad \mathrm{C}(\alpha\)-ketoglutaric acid \()\) is a 5-carbon compound. - D (Succinic acid) is a 4-carbon compound. - E (Malic acid) is also a 4-carbon compound.
BIOXI14: RESPIRATION IN PLANTS
337745
In Kreb's cycle, first \(\mathrm{CO}_{2}\) is liberated during
1 Decarboxylation of acetyl Co-A
2 Decarboxylation of oxalosuccinate
3 Decarboxylation of -ketoglutarate
4 Oxidation of pyruvic acid
Explanation:
In Kreb's cycle, first CO, is liberated during Decarboxylation of oxalosuccinate.
BIOXI14: RESPIRATION IN PLANTS
337746
Kreb's cycle starts with the formation of a ____ carbon compound by reaction between ____
1 Six, fumaric acid and pyruvic acid
2 Six, OAA and acetyl CoA
3 Five, OAA and acetyl CoA
4 Five, acetyl CoA and pyruvic acid
Explanation:
The TCA cycle starts with the condensation of acetyl group with oxaloacetic acid (OAA) and water to yield citric acid (6 carbon compound).
BIOXI14: RESPIRATION IN PLANTS
337747
How many \(\mathrm{NADH}+\mathrm{H}^{+}\)molecules are released from a single pyruvic acid in Kreb's cycle?
1 3
2 6
3 2
4 10
Explanation:
\(3 \mathrm{NADH}\) and \({{\rm{H}}^{\rm{ + }}}\) molecules are released from a single Pyruvic acid in Kreb's cycle.
337743
Which option is incorrect about Kreb's cycle?
1 It is also called citric acid cycle
2 The intermediate compound, which links glycolysis with Kreb's cycle is pyruvic acid
3 It occurs in mitochindria
4 It starts with oxalo acetic acid undergoing condensation
Explanation:
Option (2) is incorrect for Kreb's cycle and can be corrected as Acetyl Co-A is the intermediate compound between glycolysis and Kreb's cycle. Rest are correct.
BIOXI14: RESPIRATION IN PLANTS
337744
Choose the correct combination of \(\mathrm{A}\) to \(\mathrm{E}\) carbon compounds in the substrate molecules involve in T.C.A. cycle. \({\;\;\bf{A}}\;\;\;\;\;{\bf{B}}\;\;\;\;\;\;{\bf{C}}\;\;\;\;\;\;{\bf{D}}\;\;\;\;\;{\bf{E}}\)
The correct combination is (3) 4C, 6C, 5C, 4C,4C. Explanation: - A (OAA - Oxaloacetate) has 4 carbon atoms. - \(\mathrm{B}\) (Citric acid) is formed by the addition of a 2-carbon acetyl group to a 4-carbon oxaloacetate, making it a 6-carbon compound. - \(\quad \mathrm{C}(\alpha\)-ketoglutaric acid \()\) is a 5-carbon compound. - D (Succinic acid) is a 4-carbon compound. - E (Malic acid) is also a 4-carbon compound.
BIOXI14: RESPIRATION IN PLANTS
337745
In Kreb's cycle, first \(\mathrm{CO}_{2}\) is liberated during
1 Decarboxylation of acetyl Co-A
2 Decarboxylation of oxalosuccinate
3 Decarboxylation of -ketoglutarate
4 Oxidation of pyruvic acid
Explanation:
In Kreb's cycle, first CO, is liberated during Decarboxylation of oxalosuccinate.
BIOXI14: RESPIRATION IN PLANTS
337746
Kreb's cycle starts with the formation of a ____ carbon compound by reaction between ____
1 Six, fumaric acid and pyruvic acid
2 Six, OAA and acetyl CoA
3 Five, OAA and acetyl CoA
4 Five, acetyl CoA and pyruvic acid
Explanation:
The TCA cycle starts with the condensation of acetyl group with oxaloacetic acid (OAA) and water to yield citric acid (6 carbon compound).
BIOXI14: RESPIRATION IN PLANTS
337747
How many \(\mathrm{NADH}+\mathrm{H}^{+}\)molecules are released from a single pyruvic acid in Kreb's cycle?
1 3
2 6
3 2
4 10
Explanation:
\(3 \mathrm{NADH}\) and \({{\rm{H}}^{\rm{ + }}}\) molecules are released from a single Pyruvic acid in Kreb's cycle.
337743
Which option is incorrect about Kreb's cycle?
1 It is also called citric acid cycle
2 The intermediate compound, which links glycolysis with Kreb's cycle is pyruvic acid
3 It occurs in mitochindria
4 It starts with oxalo acetic acid undergoing condensation
Explanation:
Option (2) is incorrect for Kreb's cycle and can be corrected as Acetyl Co-A is the intermediate compound between glycolysis and Kreb's cycle. Rest are correct.
BIOXI14: RESPIRATION IN PLANTS
337744
Choose the correct combination of \(\mathrm{A}\) to \(\mathrm{E}\) carbon compounds in the substrate molecules involve in T.C.A. cycle. \({\;\;\bf{A}}\;\;\;\;\;{\bf{B}}\;\;\;\;\;\;{\bf{C}}\;\;\;\;\;\;{\bf{D}}\;\;\;\;\;{\bf{E}}\)
The correct combination is (3) 4C, 6C, 5C, 4C,4C. Explanation: - A (OAA - Oxaloacetate) has 4 carbon atoms. - \(\mathrm{B}\) (Citric acid) is formed by the addition of a 2-carbon acetyl group to a 4-carbon oxaloacetate, making it a 6-carbon compound. - \(\quad \mathrm{C}(\alpha\)-ketoglutaric acid \()\) is a 5-carbon compound. - D (Succinic acid) is a 4-carbon compound. - E (Malic acid) is also a 4-carbon compound.
BIOXI14: RESPIRATION IN PLANTS
337745
In Kreb's cycle, first \(\mathrm{CO}_{2}\) is liberated during
1 Decarboxylation of acetyl Co-A
2 Decarboxylation of oxalosuccinate
3 Decarboxylation of -ketoglutarate
4 Oxidation of pyruvic acid
Explanation:
In Kreb's cycle, first CO, is liberated during Decarboxylation of oxalosuccinate.
BIOXI14: RESPIRATION IN PLANTS
337746
Kreb's cycle starts with the formation of a ____ carbon compound by reaction between ____
1 Six, fumaric acid and pyruvic acid
2 Six, OAA and acetyl CoA
3 Five, OAA and acetyl CoA
4 Five, acetyl CoA and pyruvic acid
Explanation:
The TCA cycle starts with the condensation of acetyl group with oxaloacetic acid (OAA) and water to yield citric acid (6 carbon compound).
BIOXI14: RESPIRATION IN PLANTS
337747
How many \(\mathrm{NADH}+\mathrm{H}^{+}\)molecules are released from a single pyruvic acid in Kreb's cycle?
1 3
2 6
3 2
4 10
Explanation:
\(3 \mathrm{NADH}\) and \({{\rm{H}}^{\rm{ + }}}\) molecules are released from a single Pyruvic acid in Kreb's cycle.
337743
Which option is incorrect about Kreb's cycle?
1 It is also called citric acid cycle
2 The intermediate compound, which links glycolysis with Kreb's cycle is pyruvic acid
3 It occurs in mitochindria
4 It starts with oxalo acetic acid undergoing condensation
Explanation:
Option (2) is incorrect for Kreb's cycle and can be corrected as Acetyl Co-A is the intermediate compound between glycolysis and Kreb's cycle. Rest are correct.
BIOXI14: RESPIRATION IN PLANTS
337744
Choose the correct combination of \(\mathrm{A}\) to \(\mathrm{E}\) carbon compounds in the substrate molecules involve in T.C.A. cycle. \({\;\;\bf{A}}\;\;\;\;\;{\bf{B}}\;\;\;\;\;\;{\bf{C}}\;\;\;\;\;\;{\bf{D}}\;\;\;\;\;{\bf{E}}\)
The correct combination is (3) 4C, 6C, 5C, 4C,4C. Explanation: - A (OAA - Oxaloacetate) has 4 carbon atoms. - \(\mathrm{B}\) (Citric acid) is formed by the addition of a 2-carbon acetyl group to a 4-carbon oxaloacetate, making it a 6-carbon compound. - \(\quad \mathrm{C}(\alpha\)-ketoglutaric acid \()\) is a 5-carbon compound. - D (Succinic acid) is a 4-carbon compound. - E (Malic acid) is also a 4-carbon compound.
BIOXI14: RESPIRATION IN PLANTS
337745
In Kreb's cycle, first \(\mathrm{CO}_{2}\) is liberated during
1 Decarboxylation of acetyl Co-A
2 Decarboxylation of oxalosuccinate
3 Decarboxylation of -ketoglutarate
4 Oxidation of pyruvic acid
Explanation:
In Kreb's cycle, first CO, is liberated during Decarboxylation of oxalosuccinate.
BIOXI14: RESPIRATION IN PLANTS
337746
Kreb's cycle starts with the formation of a ____ carbon compound by reaction between ____
1 Six, fumaric acid and pyruvic acid
2 Six, OAA and acetyl CoA
3 Five, OAA and acetyl CoA
4 Five, acetyl CoA and pyruvic acid
Explanation:
The TCA cycle starts with the condensation of acetyl group with oxaloacetic acid (OAA) and water to yield citric acid (6 carbon compound).
BIOXI14: RESPIRATION IN PLANTS
337747
How many \(\mathrm{NADH}+\mathrm{H}^{+}\)molecules are released from a single pyruvic acid in Kreb's cycle?
1 3
2 6
3 2
4 10
Explanation:
\(3 \mathrm{NADH}\) and \({{\rm{H}}^{\rm{ + }}}\) molecules are released from a single Pyruvic acid in Kreb's cycle.
337743
Which option is incorrect about Kreb's cycle?
1 It is also called citric acid cycle
2 The intermediate compound, which links glycolysis with Kreb's cycle is pyruvic acid
3 It occurs in mitochindria
4 It starts with oxalo acetic acid undergoing condensation
Explanation:
Option (2) is incorrect for Kreb's cycle and can be corrected as Acetyl Co-A is the intermediate compound between glycolysis and Kreb's cycle. Rest are correct.
BIOXI14: RESPIRATION IN PLANTS
337744
Choose the correct combination of \(\mathrm{A}\) to \(\mathrm{E}\) carbon compounds in the substrate molecules involve in T.C.A. cycle. \({\;\;\bf{A}}\;\;\;\;\;{\bf{B}}\;\;\;\;\;\;{\bf{C}}\;\;\;\;\;\;{\bf{D}}\;\;\;\;\;{\bf{E}}\)
The correct combination is (3) 4C, 6C, 5C, 4C,4C. Explanation: - A (OAA - Oxaloacetate) has 4 carbon atoms. - \(\mathrm{B}\) (Citric acid) is formed by the addition of a 2-carbon acetyl group to a 4-carbon oxaloacetate, making it a 6-carbon compound. - \(\quad \mathrm{C}(\alpha\)-ketoglutaric acid \()\) is a 5-carbon compound. - D (Succinic acid) is a 4-carbon compound. - E (Malic acid) is also a 4-carbon compound.
BIOXI14: RESPIRATION IN PLANTS
337745
In Kreb's cycle, first \(\mathrm{CO}_{2}\) is liberated during
1 Decarboxylation of acetyl Co-A
2 Decarboxylation of oxalosuccinate
3 Decarboxylation of -ketoglutarate
4 Oxidation of pyruvic acid
Explanation:
In Kreb's cycle, first CO, is liberated during Decarboxylation of oxalosuccinate.
BIOXI14: RESPIRATION IN PLANTS
337746
Kreb's cycle starts with the formation of a ____ carbon compound by reaction between ____
1 Six, fumaric acid and pyruvic acid
2 Six, OAA and acetyl CoA
3 Five, OAA and acetyl CoA
4 Five, acetyl CoA and pyruvic acid
Explanation:
The TCA cycle starts with the condensation of acetyl group with oxaloacetic acid (OAA) and water to yield citric acid (6 carbon compound).
BIOXI14: RESPIRATION IN PLANTS
337747
How many \(\mathrm{NADH}+\mathrm{H}^{+}\)molecules are released from a single pyruvic acid in Kreb's cycle?
1 3
2 6
3 2
4 10
Explanation:
\(3 \mathrm{NADH}\) and \({{\rm{H}}^{\rm{ + }}}\) molecules are released from a single Pyruvic acid in Kreb's cycle.
