Mitosis Questions??

Question

I can't find the answers in my test book could you please help me??

1. When and how is the spindle formed?

2. What is cytokinesis? How does it differ in plant and animal cells?

3. Why is mitosis important?

4. What are the four main types of cancer that are most prevalent in the US?

Answer 1

1. The spindle is formed from microtubules during prophase.
2. Cytokinesis is the division of the two daughter cells after mitosis. In plant cells a cell plate forms in the middle, and the new cell walls and cell membranes are laid down along the cell plate. In animal cells the cell pinches in along the cleavage furrow and continues pinching until the daughter cells are separated.
3. Mitosis divides the doubled DNA into two equal, identical nuclei.
4. ???

Answer 2

ok, at the beginning, cellular branch is the comparable project as mitosis. yet mitosis is basically for asexual organisms like micro organism. Mitosis is the cellular branch of a discern cellular into 2 comparable daughter cells. Meiosis comprises 2 distinctive mum and dad and a pair of distinctive gadgets of chromosomes that randomly combination. Mitosis is basically the copying precisely of the discern cellular. Meiosis would not produce 2 comparable daughter cells. they're the two seen cellular branch. Mitosis includes 5 stages, Interphase, prophase, metaphase, anaphase and telophase. Meiosis has the comparable yet has metaphase 2, anaphase 2, prophase 2, and telophas2 besides. look them up for greater innovations from google.

Answer 3

4. The four most prevalent cancers in the U.S. are reproductive, digestive, respiratory, and breast cancers. I think this is from 2005, I am not sure of the 2006 statistics but I don't think it would change that much.

Answer 4

i couldnt tell you but, i suggest going to wikipedia.org, that will give you all the answers you need to know, hopefully.