differentiate between aerobic and anaerobic respiration write the overall chemical equations of the two kinds of respiration in plants aerobic and anaerobic
Answers
Definition of Aerobic Respiration
Aerobic respiration can be described as the chain of reactions catalyzed by enzymes. The mechanism involves the transfer of electrons from the molecules acting as the source of fuel like glucose to the oxygen which works as the final electron acceptor.
This is the principal pathway for yielding the energy in aerobic respiration. This scheme at the end provides ATP and metabolic intermediates, working as the precursor for many other pathways in the cell, like carbohydrates, lipid and protein synthesis.
Thus the equation can be summarized as:
Aerobic reaction 2
So the total yield of ATP is 40: Four from glycolysis, two from the TCA, and 34 from electron transport. Though 2 ATP were used in early Glycolysis, so this gives only 38 ATP at a time.
While the amount of total energy released is 2900 kJ/mol of glucose. There is no production of lactic acid. The aerobic respiration process goes on continuously in the body of plants and animals.
Definition of Anaerobic Respiration
Anaerobic respiration can be distinguished from that of aerobic respiration regarding the involvement of oxygen while converting the given resources such as glucose into energy.
Some bacteria, have evolved this kind of system where it utilizes oxygen-containing salts, rather using free oxygen as the electron acceptor. The energy produced by the anaerobic respiration is useful at the time of high energy demand in tissues when the oxygen produced by aerobic respiration is not able to fulfill the required demand. Though it is produced in very less amount as compared to aerobic respiration.
Thus the equation can be summarized as:anaerobic respiration
As in the above reaction, glucose does not completely break down, and hence it produces very less energy. So the total amount of the energy released regarding kilo per joules is 120 kJ/mol of glucose. It produces lactic acid.
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