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Q. Electron transport chain $(ETC)$ is a set of___ electron carriers present in a specific sequence along ___ mitochondrial membrane.

Respiration in Plants

Solution:

In electron transport chain, there are $7$ electron acceptors, which are as follows $Co-Q \to Cyt$ $b \to Cyt$ $c_1 \to Cyt$ $c \to Cyt$ $a \to Cyt$ $a_3 \to O_2$. Oxygen is the ultimate electron acceptor. These electron acceptors are present in a specific sequence along inner mitochondrial membrane.