If a newborn were accidentally given a drug that destroyed the thymus, what would most likely happen? a. his cells would lack class i mhc molecules on their surface. b. his humoral immunity would be missing. c. genetic rearrangement of antigen receptors would not occur. d. his t cells would not mature and differentiate appropriately. e. his b cells would be reduced in number and antibodies would not form.

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

Match each nutrition monitoring survey to its description. csfii nfcs nhanes what we eat in america

Calculate alex’s tee. alex has a bmr of 1,300 calories and he exercises lightly. his tee is .