Stem cells and progenitor cells can be measured by clonal assays in vitro. Maturing cells measured by:

On average, the human body weight is about ________ percent water

A) 50 B) 70 C) 60 D) 80

Which joint is an example of a ball-and-socket joint?

a. atlantoaxial b. femoroacetabular c. patellofemoral d. temporomandibular