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