The spindle fibers form out of the centrosome, also known as the microtubule-organizing center, or MTOC. Spindle fibers are formed from microtubules with many accessory proteins which help guide the process of genetic division. The spindle fibers form during cellular division near the poles of the dividing cell.
So basically i believe it originates from the centrosome.
Answer:
Spores are made by the millions, so some of them are likely to land in a good place to grow. Spores are lightweight and can drift around on the slightest air currents, so spores are spread far and wide. Spores have hard outer coverings to protect them until they begin to grow.
Explanation:
Answer: stem cell
Explanation:Stem cells are special human cells that can differentiate or develop into many various cell types for example muscle cells, nerve cells, brains cells.
Stem cells provide new cells for the body and it also replenishes damaged cells. It also produces new specialised cells. Stem cells can divide severally to produce new cells and differentiate or change into other kinds of cells in the body.