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Cells mixbook By: Nisha, Charlotte, Mia

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Cells mixbook By: Nisha, Charlotte, Mia - Page Text Content

S: Cells By: Nisha Ganeshan, Mia Burch and Charlotte Fuller

FC: Cells Nisha Ganeshan Mia Burch Charlotte Fuller

1: Rudolf Virchow 1821-1902 Rudolf Virchow was a scientist who believed in many radical things at the time.While he was young he believed that diseases originate in cells and not tissue, organs, or organisms.While he was a medical researcher he formed the now followed rule of "Omnis cellula e cellula", or "Every cell originates from another cell", which became the Biogenic law.The Biogenic law contributed to the call theory. Rudolf conducted many experiments on deceases ,and named leukemia. Virchow was one of the first scientist to demonstrate the call theory, and how it applies to dead cells and living cells.

2: Robert Hooke Born: July 1635 Died: March 1703 Hooke was an English experimental philosopher who's most famous inventions were the reflecting telescope and the spring control of the balance wheel in watches. Hooke's Law "The power of any springy body is in the same proportion with the extension." Meaning - The relationship between the force exerted on the mass and its position (Fs = kx)

3: Matthias Jakob Schleiden 1814-1881 As professor he stated that the different parts of the plant organism are composed of cells.Schleiden became the first to formulate what was then an informal belief as a principle of biology equal in importance to the atomic theory of chemistry. He ... recognized the importance of the cell nucleus , discovered in 1831 by the Scottish botanist Robert Brown , and sensed its connection with cell division . Schleiden was one of the first German biologists to accept Charles Darwin 's theory of evolution .He helped created cell theory.He figured out that all things are made of cells.

4: Theodor Schwann Born: December 1810 Died: 1882 Schwann was a German cell biologist who discovered and named the "metabolism", which is the chemical process that occurs in all living things in order to maintain life. Spontaneous Generation Definition: The supposed production of living things from nonliving matter. Theodor Schwann was one of the two scientists to pt this myth to rest. This is one of his greatest discoveries.

5: The Three principles of cell theories are: 1. All living things are made of cells-any living organism has to have at least on cell. 2. Cells are the basic unit of structure for all living organisms.- cells are the basic building block for life. 3. All cells arise only from preexisting - cells only come from other cells.

6: Plant cells have cell walls and chloroplasts, while animal cells have neither. Plant cells also have a large central vacuole.Usually Animal cells are round and Plant cells are square. Other than these things plant and animal cells are pretty similar. | Plant Cell vs. Animal Cell

7: A eukaryotic cell has a membrane and a prokaryotic does not.The organelles in a eukaryotic cell are encased in a membrane.Prokaryotic cells usually have cell wall and eukaryotic only sometimes do. | Prokaryotic vs. Eukaryotic

8: The picture above is a picture of golgi appartus and it is serves as the packaging and distribution center of the cell. | Cell membrane separates the interior of all cells from the outside environment. | Lysosomes are cellular organelles that contain acid hydrolase enzymes to break down and destroy cellular waste.

9: Ribosomes assemble specific amino acids molecules. | The nucleus is composed of proteins and nucleic acids found within the nucleus. Malfunction of the nucleolus can lead to the cell dying. | provide the energy a cell needs to move,they are the power centers of the cell. | Rough ER is responsible for the production of the protein and lipid components of most of the cell's organelles. Rough ER is coated with ribosomes.

10: The nucleus is a large, membrane-bounded organelle that contains the genetic material, in the form of multiple linear DNA molecules organized into structures called chromosomes. | Cytoplasm is a clear, jell like substance. It holds in all the organelles except for the nucleus. | Cell Wall is located outside the cell membrane and provides these cells with structural support and protection, and also acts as a filtering mechanism. Only in plant cells.

11: Homeostasis | Definition: The tendency or an organism or cell to regulate its internal conditions, usually by a system of feedback controls, so as to stabilize health and functioning, regardless of the outside changing conditions. | Homeostasis of Cells | Cells must contain a constant internal environment and must be able to reproduce themselves when needed by the body so we can remain healthy and in balance.

12: The cell membrane is made of proteins and phospholipids. The phospholipids make up the cell membrane while the proteins are found around the holes and help move molecules in and out the cells. | Cell Membrane | The cell membrane is like a plastic bag with tiny holes. It keeps all of the cell pieces and fluids inside the cell while keeping all the bad stuff out. The holes just let some things in and out as needed.

13: Sources: http://www.google.com/imghp http://www.wikipedia.org/ http://www.biology-online.org/dictionary/Nucleus

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  • By: Nisha G.
  • Joined: about 5 years ago
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  • Title: Cells mixbook By: Nisha, Charlotte, Mia
  • Nisha Ganeshan, Charlotte Fuller, Mia Burch
  • Tags: None
  • Published: about 5 years ago

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