Describe Endopolyploidy,and How It Might Benefit an Organism

Complete healing of a bone fracture occurs when A) no movement of the break is detectable. B) the callus has been completely replaced with mature bone. C) the fracture site and surrounding soft tissue are pain free. D) a cast is no longer required to stabilize the break.

Rickets is characterized by soft, weak bones resulting from A) poor calcium intake. B) estrogen deficiency. C) phosphate deficiency. D) vitamin D deficiency.