The correct option is B.
The shapes of enzymes are very important because their shapes determines the kind of chemical reactions that they can catalyse. This is because the substance been catalyzed must fit into the active sites of the enzyme that is been used. In a situation where an enzyme becomes denatured, such an enzymes losses its original shape and this remove from it the capacity to catalyze chemical reactions, thus, it becomes non functional.
If you're trying to say if we can see its oxygen moving we can't, and the leaf's colors are its oxygen and life, which makes it green, its also the water combine with the elements inside of the lead that make it green.
The development of a rash on the genitals or the oral cavity, cold sores are also fairly common.
The sugar would leave the cell or water molecules would come into the cell
