I believe the correct answer from the choices listed above is option C. It is the products that is not requires in a chemical reaction. These are the substances that is being produced from the reactants involved in the system which needs the atomic nuclei and energy.
Answer:
The basal cell layer (stratum basale, or stratum germinosum), is a single layer of cells, closest to the dermis. It is usually only in this layer that cells divide.
In the skin on the sole, the stratum corneum is very thick. A single layer of cuboidal cells located along the base of the epidermis. ..