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Cells and cell growth

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Carly Motto

on 13 January 2013

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Transcript of Cells and cell growth

What are cells? Cells and Cell Growth Cells are the basic unit of all living things Cells... Parts of the cell: Life wouldn't exist if we didn't have cells Cells are responsible for carrying on all life processes They vary in shape, size, purpose.. The cell membrane Protoplasm: Cells are composed of protoplasm Protoplasm Cytoplasm Nucleus Protoplasm is a colorless, jelly-like substance where food elements like proteins, fats, carbs, salts, and water are present The Nucleus Found in the center of a cell A dense active protoplasm Plays an important part in cell reproduction and metabolism The Cell membrane It encloses the protoplasm It allows substances that are able to be dissolved (soluble) to enter and leave the cell Cytoplasm Surrounds the nucleus Watery fluid cells need to grow, reproduce, and repair Cell Growth The reproduction process is called mitosis. Mitosis is the reproduction of tissues It occurs when the cell divides into two identical cells which are called daughter cells Mitosis Centrioles- move to each side during mitosis to help divide the cell Cell Metabolism Metabolism: A chemical process that takes place in living organisms. The cells are nourished and carry out their activities The two phases of Metabolism Anabolism: Builds up larger molecules from smaller ones. During this, the body stores water, food, and oxygen for times when these substance will be needed for cell growth, reproduction, and repair.

Catabolism: Involves the breaking down of complex compounds within the cells into smaller ones. The process releases energy that has been stored. http://goo.gl/gJqWI http://goo.gl/iC5Ka http://goo.gl/MoExd http://goo.gl/U0Jo3 http://goo.gl/ruu8r http://goo.gl/bfhgK http://goo.gl/upcbO Chemicals used in the salon improperly can damage the hair or skin.
For example, if you are using a perm solution, and it gets on your clients face or eyes you can burn the client. If skin is burning, then that is doing damage to the cells. Also, in the salon when using hot tools, be careful not to burn yours or your clients skin because this can cause cell damage. Why It's Important To Know About Cells http://goo.gl/Mgy4W Prophase Prophase is the first stage of mitosis. During this stage the chromosomes condense and become visible, the nuclear membrane breaks down, and the spindle apparatus forms at opposite poles of the cell Metaphase During metaphase, the spindle fully develops and the chromosomes line up at the metaphase plate Anaphase During anaphase, fibers of spindle apparatus pull each pair of sister chromatids apart. One goes to one pole of the cell, the other goes to the other pole. Telophase In telophase, the nuclear membrane reforms, the nucleolus reforms, the chromosomes uncoil, and the spindle fibers disappear. During interphase the DNA is duplicated Interphase Works Cited "Cells and Cell Growth." Milady Standard Cosmetology. N.p.: Milady, 2012. 113-14. http://library.thinkquest.org/C0118084/Gene/Chromosomal_Inheritance/StagesMitosis.htm http://library.thinkquest.org/C004535/text/cellular_metabolism.html Humans are multicellular and have an estimated amount of 100 trillion cells Bacteria is unicellular meaning it only has one cell Prokaryotic cells are unicellular Eukaryotic cells are multicellular Different Types Of Cells
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