The Following Are Major Steps in the Process of Intramembranous

Multiple Choice

The following are major steps in the process of intramembranous ossification. 1. Clusters of osteoblasts form osteoid that becomes mineralized.
2) Osteoblasts differentiate within mesenchymal connective tissue.
3) Spicules of bone radiate out from the ossification centers.
4) Mesenchymal cells aggregate.
The correct order for these events is

A) 2, 1, 3, 4.
B) 4, 1, 2, 3.
C) 2, 3, 1, 4.
D) 4, 2, 1, 3.