The correct answer is option D, that is, metabolism.
Metabolism is a term used to signify mainly towards the dissociation of food and its succeeding conversion into energy required by an individual's body. It is something, which comprises both anabolism and catabolism that are the buildup and breakdown of components.
The procedure by which the body transforms what one eats into energy is known as metabolism. At the time of this complex biochemical phenomenon, the calories in beverages and food are amalgamated with oxygen to discharge the energy one requires to work. Therefore, a person having a high amount of energy will have a high metabolism.
The altered protein affected the function of the cell membrane. The cell membrane which contain a bilayer control the movement of substance in and out of the cell and organelles. Due to this it is selective permeable to ion and organic molecules.
In each cell, through a process of gene expression, DNA is transcripted into mRNA which are templates used to create different proteins resulting in different functions in your body.