Which is the biggest disadvantage of using adult stem cells for medical treatments?
a. not very healthy
b. more mutations
c. not pluripotent
d. they are tolipotent

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air

Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f

The spermists believed that: the male made the only hereditary contribution to the offspring the male and female traits were blended in the offspring the female made the only hereditary contribution to the offspring the male and the female made equal contributions to the next generation