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H OW DO CELLS GROW AND D IVIDE ? Chapter 2 section 3
W HY DO THEY NEED TO DIVIDE 1. To make more 2. They also need to be efficient in getting materials around the cell 3. If they are too large then the cell will not function efficiently.
C ELL DIVISION Single cell- divide into two identical daughter cells Multi-cellular- also divide into two daughter cells when making new cells for growth or repair
M ITOSIS 1. The cell’s nucleus divides The nucleus contains DNA Used to code for all the genes in the organism Complex molecule consisting of three parts Found in the chromosomes
I NTERPHASE The cell copies its DNA and gets ready to divide
P ROPHASE Mitosis begins Short, compact chromosomes become visible Nuclear membrane dissolves
M ETAPHASE Pairs of chromosomes line up at the center of the cell
A NAPHASE The chromosomes separate The two halves move to opposite sides of the cell
T ELOPHASE Two new daughter cells are made Identical to the original Nuclear membrane appears
The Cell Cycle. Life Cycle of a Cell Before a growing cell becomes too large it divides The division results in two essentially identical cells called.
C ELL C YCLE Dr. Brasington. S OMATIC CELL DIVISION The process of a cell dividing into 2 identical daughter cells. Occurs when cells reach a certain.
How do baby elephants grow up to be adult elephants? What is happening to their cells?
C ELL D IVISION Function of Cell Division Mitosis & Cytokinesis.
1 1 Mitosis and the Cell Cycle Big Idea: Mitosis is the process in which the nucleus divides to form two new nuclei and two cells with identical DNA.
Mitosis How one cell becomes two. What is the purpose of Mitosis ?
Cell Division Mitosis.
The Cell Cycle and Mitosis
I can place in order pictures that show chromosome movement during cell division. I can classify methods of reproduction as sexual or asexual.
The Cell Cycle What is the cell cycle? What is mitosis – or cell division? What happens in each stage?
Occurs in a series of stages or phases
If cancer is uncontrolled cell division…why would a cell divide in the first place? Brainstorm a list of reasons a cell would divide.
Interphase- Cells grow prepare for cell division by copying DNA (replication). DNA carries all information that all cells need to carry out their.
Mitosis: the process by which cells reproduce themselves, resulting in daughter cells that contain the same amount of genetic material as the parent cell.
1 1 Asexual Reproduction Mitosis DSQ: Mitosis is the process in which the nucleus divides to form two new nuclei. How does mitosis differ in plants and.
CELL DIVISION!!. There are two types of cell division. Mitosis – when an organism is growing, repairing or replacing cells EX: skin cells replacing dead.
How do little elephants grow up to be BIG elephants?
1 1 Asexual Reproduction (Mitosis) Mitosis is the process in which the nucleus divides to form two new nuclei. How does mitosis differ in plants and animals?
Cell Biology Mitosis, DNA, RNA. Mitosis (Cell Reproduction) This is the process of cell division resulting in the production of 2 daughter cells from.
1 1 Mitosis BODY Cell Division (Chapter 3 : 3 p.86-89) Mitosis is the process in which the nucleus divides to form two new nuclei. Mitosis differs.
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