The process common to both aerobic and anaerobic organisms isa)TCA cycleb)Krebs cyclec)Glycolysisd)Glyoxylate cycleCorrect answer is option 'C'. Can you explain this answer?

Question

Answer

Glycolysis ( process of break down of glucose into pyruvic acid ) is the process common to both aerobic and anaerobic respiration.

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Glycolysis is common to both Aerobic and Anaerobic organisms _______it takes place in the Cytoplasm of cell...

Answer

Glycolysis is the correct answer. Glycolysis is a metabolic pathway that occurs in the cytoplasm of cells and is the initial step in both aerobic and anaerobic respiration. It is a universal process that is common to both aerobic and anaerobic organisms.

Glycolysis is the breakdown of glucose (a six-carbon sugar) into two molecules of pyruvate (a three-carbon molecule). This process occurs in ten enzymatic steps, with each step catalyzed by a specific enzyme. The overall reaction of glycolysis can be summarized as follows:

Glucose + 2 NAD+ + 2 ADP + 2 Pi → 2 pyruvate + 2 NADH + 2 ATP + 2 H2O

Here is a detailed explanation of the steps involved in glycolysis:

1. Glucose phosphorylation: Glucose is phosphorylated by the enzyme hexokinase to form glucose-6-phosphate. This step requires the input of ATP and traps glucose inside the cell.

2. Isomerization: Glucose-6-phosphate is converted to fructose-6-phosphate by the enzyme phosphoglucose isomerase.

3. Phosphorylation: Fructose-6-phosphate is phosphorylated by the enzyme phosphofructokinase, using another ATP molecule, to form fructose-1,6-bisphosphate.

4. Cleavage: Fructose-1,6-bisphosphate is split into two three-carbon molecules, glyceraldehyde-3-phosphate (G3P) and dihydroxyacetone phosphate (DHAP).

5. Isomerization: DHAP is converted into another molecule of G3P by the enzyme triose phosphate isomerase.

6. Oxidation and phosphorylation: G3P is oxidized by the enzyme glyceraldehyde-3-phosphate dehydrogenase, resulting in the reduction of NAD+ to NADH. At the same time, inorganic phosphate (Pi) is added to G3P to form 1,3-bisphosphoglycerate.

7. Substrate-level phosphorylation: 1,3-bisphosphoglycerate is converted into 3-phosphoglycerate by the enzyme phosphoglycerate kinase. This step generates ATP through substrate-level phosphorylation.

8. Rearrangement: 3-phosphoglycerate is converted into 2-phosphoglycerate by the enzyme phosphoglycerate mutase.

9. Dehydration: 2-phosphoglycerate is converted into phosphoenolpyruvate (PEP) by the enzyme enolase.

10. Substrate-level phosphorylation: PEP is converted into pyruvate by the enzyme pyruvate kinase. This final step of glycolysis generates ATP through substrate-level phosphorylation.

In aerobic organisms, pyruvate is further oxidized in the mitochondria through the TCA cycle and oxidative phosphorylation to produce more ATP. In anaerobic organisms, pyruvate is converted into other products, such as lactate or ethanol, through fermentation.

In conclusion, glycolysis is a fundamental metabolic pathway that is common to both aerobic and anaerobic organisms. It is the initial step in the breakdown of glucose and plays a crucial role in energy production.

Answer

I think it is glycolysis or TCA cycle

Answer

C

Answer

It's glycolysis..read ncert respiration in plants

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