A five carbon amino acid can be formed by which of the following intermediates of Krebs cycle?

1. succinate 2. malate
3. citrate 4. α-ketoglutarate

Subtopic:  Kreb's Cycle |
 78%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


The number of molecules of carbon dioxide produced by three turns of the Krebs cycle would be:

1. 3 2. 6
3. 12 4. 18
Subtopic:  Kreb's Cycle |
 66%

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

What is the total number of NADH and FADH2 molecules produced for each molecule of glucose metabolized by glycolysis and the citric acid cycle?

1. 5 2. 6
3. 10 4. 12
Subtopic:  Glycolysis |
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


advertisementadvertisement

The correct sequence of electron flow during aerobic respiration would be:
1. food → Krebs cycle → ATP → NAD+
2. food → NADH → electron transport chain → oxygen
3. glucose → pyruvate → ATP → oxygen
4. glucose → ATP → electron transport chain → NADH

Subtopic:  ETS |
 53%

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

The components of the mitochondrial electron transport chain are located:
1. in mitochondrial matrix
2. in outer mitochondrial membrane
3. in inner mitochondrial membrane
4. in intermembrane space

Subtopic:  ETS |
 88%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


The correct sequence of flow of electrons downhill in the mitochondrial electron transport chain would be:
1. ubiquinone, cytochromes, FMN, Fe-S
2. cytochromes, FMN, ubiquinone, Fe-S
3. Fe-S, FMN, cytochromes, ubiquinone
4. FMN, Fe-S, ubiquinone, cytochromes

Subtopic:  ETS |
 67%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


advertisementadvertisement

Electron is donated to the mitochondrial ETC at the lowest energy level by:

1. Glucose 2. NADH
3. ATP 4. FADH2
Subtopic:  ETS |

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

The source of oxygen for the synthesis of water in oxidative phosphorylation is:
1. carbon dioxide
2. glucose
3. molecular oxygen
4. pyruvate

Subtopic:  Oxidative Phosphorylation |
 67%

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

When electron pass downhill in the ETC, the energy released is used to pump protons into:
1. matrix of mitochondria
2. cytosol
3. mitochondrial inner membrane
4. mitochondrial intermembrane space

Subtopic:  ETS |
 54%

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

advertisementadvertisement

ATP synthesis during oxidative phosphorylation in mitochondria is directly driven by:
1. oxidation of glucose.
2. electron transport downhill in the ETC.
3. terminal transfer of electrons to oxygen.
4. chemiosmosis.

Subtopic:  ETS |
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.