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For which organelle proton motive force is also a source of energy?(a) nucleus(b) ribosomes(c) mitochondrion(d) golgi complexThe question was posed to me during an online interview.Enquiry is from Aerobic Respiration in portion Nucleus & Aerobic Respiration of Cell Biology

Answer»

The correct OPTION is (c) mitochondrion

For EXPLANATION I would say: Other than hydrolysis of ATP, mitochondrion has alternate sources of energy one of which is proton MOTIVE force. It drives the uptake of ADP in EXCHANGE of ATP; and can also be used to pull calcium ions into the mitochondrion.



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