It is a hollow ball of cells formed after a fertilized cell undergoes cell division.
I'm a Biology major, hope I helped :)
Cellular differentiation is the process in which a cell changes from one cell type to another. Usually, the cell changes to a more specialized type. Differentiation occurs numerous times during the development of a multicellular organism as it changes from a simple zygote to a complex system of tissues and cell types. So I believe the answer you are looking for would be the third one :)
Hope this helps! Please let me know if I'm wrong :)
I believe the answer is A.
They attach to the centromeres and pull apart new chromosomes to the opposite poles of the cell
Infections are the tiniest and least complex life form known. They are 10 to 100 times littler than microbes (or bacteria).
Glad to help ya!! :)
