Question

Identify 'X' in the given equation of aerobic respiration :- Glucose + X---------> CO2 +H2OCO2 +H2O+ Energy

A. Water

B. Oxygen

C. Ethyl alcohol

D. Nitrogen​

Answer 1

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Given:

Glucose + X ----> CO2 + H2O + Energy

To find:

X in given equation = ?

Solution:

Aerobic respiration equation,

Glucose + O2 ----> CO2 + H2O + Energy

Answer:

Thus, answer is oxygen. Option B

Knowledge booster:

⟹ Aerobic respiration is the breakdown of glucose in the presence of oxygen for obtaining energy

⟹ Aerobic respiration involves formation of carbon dioxide, water and energy.

⟹ It involves three major phases namely glycolysis, Krebs cycle and Electron transport chain or system (ETS)

⟹ In glycolysis, glucose is breakdown into pyruvate. Pyruvate is converted into acetyl coenzyme A by oxidative decarboxylation

⟹ Acetyl coenzyme A is used up in krebs cycle. In krebs cycle,as two molecules of pyruvate is formed in glycolysis so two turns of krebs cycle occurs

⟹ So two turns of krebs cycle produce six molecules of NADH2, two molecules of FADH2 and two molecules of ATP is formed

⟹ In ETS, metabolic water is formed. Glycolysis take place in cytoplasm of cell and krebs cycle take place in matrix of mitochondria

Answer 2

Answer:

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Answer:−

Given:

Glucose + X ----> CO2 + H2O + Energy

To find:

X in given equation = ?

Solution:

Aerobic respiration equation,

Glucose + O2 ----> CO2 + H2O + Energy

Answer:

Thus, answer is oxygen. Option B

Knowledge booster:

⟹ Aerobic respiration is the breakdown of glucose in the presence of oxygen for obtaining energy

⟹ Aerobic respiration involves formation of carbon dioxide, water and energy.

⟹ It involves three major phases namely glycolysis, Krebs cycle and Electron transport chain or system (ETS)

⟹ In glycolysis, glucose is breakdown into pyruvate. Pyruvate is converted into acetyl coenzyme A by oxidative decarboxylation

⟹ Acetyl coenzyme A is used up in krebs cycle. In krebs cycle,as two molecules of pyruvate is formed in glycolysis so two turns of krebs cycle occurs

⟹ So two turns of krebs cycle produce six molecules of NADH2, two molecules of FADH2 and two molecules of ATP is formed

⟹ In ETS, metabolic water is formed. Glycolysis take place in cytoplasm of cell and krebs cycle take place in matrix of mitochondria