Chronic diseases are select one: a. contagious. b. the leading cause of death and disability in the united states. c. inclusive of aids and lyme disease. d. not preventable.

d not preventable because some diseases can not be cured and you wil have to continue to get treatment for it so i would say that it is d

this protocol provides a detailed procedure for agarose-based ip to purify and enrich the protein of interest.

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

i hope this : )