Chapter 7-1 BIOLOGY
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| The discovery of the cell was possible due to the invention of the | microscope
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| Who was the first person to see cells? | Englishman Robert Hooke
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| Why did he call them cells? | Because they reminded him of a monastarys tiny rooms
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| Who was the first person to see tiny organisms living in water? | Anton Van Leeuwenhook
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| What are the three componets of the Cell Theory | 1. All cells are composed of cells 2. Cells are the basic units of structure and function in living things 3. New cells are produced from exsisting cells
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| High resolution video technology can be used to produce moves of cells as they? | grow, divide, and develop
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| Transmission electron microscopes can be used to explore cell_____________ and large _____________________ molecules. | structures and protein
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| Scanning Electron microscopes produce what kind of images of the cell? | 3D
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| Specimens under electron miscroscopes must first be preserved or stained? | preserved
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| What type of microscope is needed to observe single atoms? | Scanning Probe Microscopes
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| What 2 things do all cells have? | DNA and a Cell Membrane
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| Define Nucleus? | a large membrane enclosed structure that contains the cells genetic material in the form of DNA
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| Cells are catergorized depending on whether or not they have a ? | nucleus
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| Prokaryotes have genetic material that is not contained in a ? | nuclues
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| What type of organisms are prokaryotes? | bacteria
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| Prokaryotes grow, reproduce and | respond to the enviroment
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| What four organisms are classified as eukaryotes? | Plants, Animals, Fungi, and Protists
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| Eukaryotic Cells are smaller or larger than prokaryotes? | larger
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| Cell biologists divide the eukaryotic cells into 2 major parts. What parts are they? | Nucleus and Cytoplasm
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| The nucleus is surrounded by a what composed of 2 membranes? | nucleur envelope
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| What are small particles of RNA and protein found throughout the cytoplasm | Ribosomes
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| One function of _________________ is the digestion or breakdown or lipids, carbohydrates and proteins into _______________ that can be used by the rest of the cell. | lisosomes and small molecules
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| Most cells get energy in one of two ways from ____________ or from the ______. | food molecule or from the sun
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| Organells that convert the chemical energy stored in food into compounds that are more convenient for the cell to use | Mitochondria
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| Biological equivalents of solar power | chlorplasts
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| Unlike other organells that contain no DNA, what organells contain their own genetic information in the form of smal DNA molecules? | chloroplasts and mitochondria
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| Wat structure does eukaryotic cells have that helps support the cell? | Cytoskeleton
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| What plays a critical role in maintaining a cell's shape? | microtubules
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| ___________ are located near the nucleus and help to organize cell division. ___________ are not found in plant cells. | Centrioles and Centrioles
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