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| the study or science of cells |
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| are the basic structural unit of life |
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| 2 Basic types of cells and the difference |
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Prokaryotic-contains no nucleus
Ekaryotic-contains a nucleus (eukary-you carry) |
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| -originated in 1838 by German biologist Matthias Schleiden and Theodor Schwann |
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-the cell is the unit and structure and function of a living things
-cells come from other cell by cell reproduction |
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Robert Hooke discovered a cavity in cork view under a microscope and called a cavity a "cell".
-He didn't know the most important part was missing. |
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| Felix Dujardin viewed living cells and observing protoplasm. |
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Rudolf Virchow published the observation the cells can only come from other cells.
-Plant cells produce plant cells and animal cells produce animal cells. |
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| Name all the Cell Functions |
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| Digestion, Nutrition, Absorption, Biosythesis, Respiration, Excretion, Secretion, Response, and Reproduction |
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| breakdown of food into simple forms to be used by the cell |
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| processing of food molecules to supply energy and building materials for the cell |
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| cells take in necessary materials from the environment such as food, water, and light. |
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| cells organize absorbed substances for chemical activity of the cell. |
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| the exchange of gases between the cell and the environment |
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| the removal of waste materials from the cells to the environment |
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| cells give off substances such as vitamins, minerals, and hormones that affect other cells |
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| cell activity changes in response to the environment |
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| cells divide, producing more cells |
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| a thick clear fluid that makes up the cell material outside the nucleus |
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| the control center of the cell. In an animal cell, the nucleus contains the cell's genetic material. |
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| structure inside the nucleus containing RNA(Ribonucleic acid) |
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| mass of DNA(Deoxyribonucleic acid) and proteins that form chromosomes |
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| used in cell reproductions |
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| tiny, grainy structures attached to endoplasmic reticulum that produce proteins for the cell. |
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| Endoplasmic Reticulum (E.R) |
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| a network of double membranes in the cytoplasm of the cell that allows materials to move through the cytoplasm |
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| stores steroids and ions used by the cell |
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| works with ribosomes to produce and store proteins |
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| fluid filled cavities found in plant cells that are used for storage of materials |
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| rod-shaped structure that is the center of cell respiration and is responsible for releasing energy to support all cell functions (power plant of the cell) |
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-named for Camillo Golgi
It packages protein molecules into membranes that are sent to the cell's outer surface for export (excretion/secretion) |
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| jelly-like substance that is the main material to form the cell wall |
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| small bodies of chlorophyll which are formed between layers of proteins and lipids |
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outer edge of the cytoplasm that separtes the cell from other cells and surrounding fluids.
-Secretion and excretion occur through the cell membrane |
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| Hair-like structure found on the outside of the cell which are used to move and to interact with its environment |
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| rounded structures which contain enzymes used in the digestion of protein |
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| founded in plant cells only. Plastids manufacture chemicals and store foods |
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