Question

Which of the following micronutrient group shall affect the electron transport chain of
mitochondria as well as chloroplast the most?
Na, K, Cu
b. Na, K, Ca
c. Cu, Fe, Mn
d. Cu, Co. Mn​

Answer 1

Answer:

Cu, Mn and Fe Micronutrient elements affect both photosynthetic and mitochondrial electron transport as follows:

Iron(Fe) - It is an important constituent of a protein involved in the transfer of electrons like ferredoxin and cytochromes.

Manganese(Mn) - It activates enzymes of respiration, photosynthesis and nitrogen metabolism.

Copper(Cu) - It is a component or activator of plastocyanin, cytochrome oxidase, RuBP carboxylase.

So the correct answer is 'Cu, Mn, Fe'.

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Answer 2

Cu, Mn and Fe Micronutrient elements affect both photosynthetic and mitochondrial electron transport as follows:

Iron(Fe) - It is an important constituent of a protein involved in the transfer of electrons like ferredoxin and cytochromes.

Manganese(Mn) - It activates enzymes of respiration, photosynthesis and nitrogen metabolism.

Copper(Cu) - It is a component or activator of plastocyanin, cytochrome oxidase, RuBP carboxylase.

So the correct answer is 'Cu, Mn, Fe'.