Aerobic Respiration


 
 
Concept Explanation
 

Aerobic Respiration

Aerobic respiration: The complete oxidation of food yielding carbon dioxide, water and energy in the presence of oxygen is called aerobic respiration. This respiration starts in the cytoplasm (glycolysis) and continues in the mitochondria (Kreb's cycle) of the cell. The products of this reaction include: ATP, carbon dioxide and water.

The number of molecules of ATP formed by each glucose molecule during aerobic respiration is 38. Hence, the energy made available is much greater than in the case of anaerobic respiration.

In the process, energy is produced. This energy is used to drive cellular processes that are endothermic (processes that absorb energy). steps take place during aerobic respiration are:

In Cytoplasm (Glycolysis)

                                 Glucose:(6;Carbon)xrightarrow[In;Cytoplasm]{Glycolysis}Pyruvic ;Acid; (3;Carbon)

In Mitochondria (Kreb cycle )

                               Pyruvic: Acidxrightarrow[In;mitochondria;presence;of;oxygen]{Krebs;Cycle} CO_2+H_2O+38ATP

 

                        

 

Sample Questions
(More Questions for each concept available in Login)
Question : 1

Glycolysis takes place in ___________ .

Right Option : A
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Explanation
Question : 2

Aerobic respiration occurs in the presence of  ____________ .

Right Option : C
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Explanation
Question : 3

Which of the following ,these are correct?

(a) The complete oxidation of food yielding carbon dioxide, water and energy in the presence of oxygen is called aerobic respiration.

(b) The number of molecules of ATP formed by each glucose molecule during aerobic respiration is 38.

(c) All food molecules contain nitrogen, hydrogen and oxygen atoms.

Right Option : A
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Explanation
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