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Cells - Page Text Content

S: Cells!

BC: A friendly word from our cartoon

FC: Anton Josh & Dollan | Cells | Of

1: Cell Theories | They may be unicellular or multicellular. | The cell is the basic unit of life. | Cells arise from pre-existing cells.

2: Let The Good Times Roll | Prokaryotic V | Cells | Lack a membrane-bound nucleus. Lacks internal structures. Normal bacteria cells.

3: S Eucaryotic | Cells | membrane-bound nucleus, contains many membrane-bound structures called organelles, normal animal and plant cells.

4: Hooke was an English scientist who looked at cork through a compound microscope and observed tiny room-like structures that reminded him of the "cells" that monks lived in. Therefore these structures became known as cells. The cork cells where not alive so he only saw the cell wall. | Robert Hooke (1665)

5: Schwann was a German Biologist who viewed animal parts under a microscope and discovered that animals were made up of cells. He extended Schleiden's cell theory in plants to animals, stating that all living things are composed of cells. | Theodor Schwann (1839)

6: Schleiden was German Botanist the viewed plant parts under a microscope and discovered that plant parts are made of cells. He is considered to be the co-founder of cell theory together with Schwann, with whom he consulted. | Matthias Schleiden (1838)

7: Virchow was a German physician that stated that all living cells come only from other living cells. His major contribution was the idea that pathologic reactions were reactions of cells. | Rudolph Virchow (1855)

8: Animal cells have: one or more small vacuoles centrioles Cilia Round Lysosomes

9: Plants cells have Cell wall Chloroplast One or more Large vacuoles plastids cell wall Square

10: Nucleus, nucleolus Vacuole and Mitocondrion. | The nucleolus holds ribosomes. The nucleus is the inner part of the cell that holds DNA. Found in eukaryotic cells. Helps with growth, metabolism and reproduction. Bound by a membrane and is an inner compartment of the cell. | The vacuole is found in the middle of a plant cell and takes up much of the cells volume. The vacuole stores water for the cells and also contains many substances including ions, nutrients, and wastes | The Mitocondrion harvests energy from organic compounds to create ATP

11: Golgi apparatus Smoothe & rough endoplasmic reticulum & ribosomes & lysosomes | Lysosome- They are small, spherical organelles that contain the cell’s digestive enzymes. The ER, Golgi apparatus, and lysosomes work together in the production, packaging, and distribution of proteins. | Rough ER- An extensive system of internal membranes that move proteins and other substances through the cell. The Smooth ER does not have any ribosomes. The function of the Smooth ER is to make lipids and breakdown toxic substances.

12: Ribosomes- They are found in the ER of a cell and it’s the cellular structure on which proteins are made. It’s composed of RNA and protein; the site of protein synthesis. Cytoplasm- The cytoplasm consists of all of the contents outside of the nucleus and enclosed within the cell membrane of a cell. This includes the cytosol and in eukaryotic cells, organelles such as mitochondria and ribosomes. Also located within the cytoplasm is the cytoskeleton, a network of fibers that help the cell maintain its shape and give it support. The cytoplasm is clear in color and has a gel-like appearance. It is composed mainly of water and also contains enzymes, salts, organelles, and various organic molecules. The cytoplasm helps to move materials around the cell and also dissolves cellular waste.

13: Cell membranes are made up of lipids. They are fluid like bubbles. It separates the inside of the cell from the outside of the cell. Only certain substances are allowed through the membrane.

15: Homeostasis the tendency of a system, especially the physiological system of higher animals, to maintain internal stability, owing to the coordinated response of its parts to any situation or stimulus that would tend to disturb its normal condition or function.

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  • By: Anton N.
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  • Title: Cells
  • by Anton Dollan and Josh
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  • Published: over 8 years ago