Answer:
The cluster of developing cells from conception until birth is called an embryo.
Answer:
D. direct the building of different protein molecules
Explanation:
Mitochondria is the powerhouse of the cell
Hope this helped
After two months of
development, the embryo is called a fetus. The endometrium is formed in part
from the inner lining of the uterus and in part from other membranes. It is
through the placenta that that the embryo/fetus is nourished while in the
umbilical cord and three blood vessels are carried away.
