Marcus is able to achieve an erection by either masturbation or manual stimulation by his partner. He has no difficulty ejaculating when he masturbates, but he cannot ejaculate during intercourse. Marcus would likely be diagnosed with?

Foods that are made fro meat , poultry, fish, or dry beans and peas ,nuts ,seeds , and eggs are considered part of which food group

If gonorrhea is a treatable infection why do so many men experience severe damage and even in infertility or joint infections as a result of leaving it untreated

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