... off, cells can't keep growing forever, so when they reach a certain size they will have to divide. Cells divide for four important reasons; reproduction, growth, repair, and replacement of damaged or worn out cells. Most cells divide at least once during their life cycle and some divide divide dozens of time times before they die. There are three types of cell division. They are binary ... fission, mitosis, and meiosis. When cell division is in the form of mitosis it is usually associated with cell growth, replacement, and repair. When the ... cell goes through meisosis it usually invo...

• Word Count: 434
• Approx Pages: 2
• Grade Level: High School

... called organelles that carryout various cell functions. And then there is the control center of the cell, the nucleus, surrounded by a protective outer covering call the nuclear membrane. The nucleus contains the DNA, or chromosomes, that carries all the instructions on how a cell will function, live, ... things. Cell reproduction is called mitosis. Mitosis is the process of a single cell dividing in two and then two more and so on. In mitosis, the pairs of chromosomes in the nucleus of the parent cell divide into two daughter cells. There are four phases of mitosis. In the first phase,...

• Word Count: 567
• Approx Pages: 2
• Grade Level: High School