The nucleus of the cell directs cell activity and acts like the control center. This is the place where gene activity is controlled in terms of the replication of the genes. In addition the movement and actions of the cell are also dictated from the nucleus.
Answer:
Prophase
The replicated chromosomes thicken and become visible as separate chromosomes during prophase stage of mitosis. :)
Answer:
They formed from a cloud of dust and gas.
Explanation:
A nebula is where the formation of stars takes place, so the Nebula Theory would pertain to the planets forming in the same way.
The purpose of the egg cell donor is to supply eggs for others who are infertile and wish to have a child. The purpose of the egg cell donor is to supply eggs for others who are infertile and wish to have a child.