Which of the following is not an important positive motivating factor for those considering exercise?

a.
building strength, endurance, and energy
b.
reducing time commitments to family
c.
improvement of health and performance
d.
reduction of stress and tension

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