The missing component in the cellular respiration process has been water. Thus, option A is correct.
The cellular respiration has been defined as the breakdown of the complex glucose and other biomolecules by the cell in the presence of oxygen.
Cellular respiration has been taken place in the mitochondria and has been able to deliver the energy to the cell for cellular processes.
The cellular respiration has been taken place for the breakdown of glucose has been involved with the reaction of glucose and oxygen.
The interaction results in the formation of the smaller carbon dioxide molecules, along with releasing energy and water as the byproduct.
Thus, the missing component in the cellular respiration process has been water. Thus, option A is correct.
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