So i feel sad free points

Microbes in the gut ferment fiber and complex carbohydrates and form vitamins, short chain fatty acids and

Ab+cd-> ad+bc is what kind of reaction

Melanocytes and keratinocytes work together in protecting the skin from uv damage when keratinocytes a. provide the melanocyte with a protective shield against abrasion b. maintain the appropriate temperature so the product of the melanocyte will not denature c. maintain the appropriate ph in order for the melanocyte to synthesize melanin granules d. accumulate the melanin granules on their superficial portion, forming a uv-blocking pigment layer