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Bio Ch.3 S. 2
cell structure, cell parts, cell theory
| Question | Answer |
|---|---|
| What's a cell? | smallest unit that can perform all life processes |
| Who's Robert Hooke? | a scientist that used a crude microscope to observe cork cells in 1665 |
| Who's Anthony Van Leeuwenhoek? | used a microscope to view water from the pond and saw many different creatures he called "animalcules" |
| Who's Theodor Schwann? | said that animals are also made out of cells |
| Who's Matthias Schleiden? | concluded that cells make up not only the stems and roots but every part of the plant |
| Who's Rudolf Virchow? | said that all cells come from existing cells |
| What's the cell theory? | 1. All living things are made up of one or more cells. 2. Cells is the basic units of structure and function in organisms 3. all cells come from existing cells |
| What's a compound microscope? | a light in the base shines up through the specimen which is mounted on the glass slide |
| What's an electron microscope? | forms an image of specimen using a beam of electrons rather than light |
| What's a prokaryote? | simple, single celled organism that has no nucleus |
| What's a eukaryote? | cells that has a nucleus and other internal compartments |
| What's a flagella? | long, threadlike structures that allows cells to move |
| What's a cilia? | short, threadlike structures that also allow for movement |
| What's a cell wall? | surrounds the cell membrane that provides support and structure |
| What's a cytoplasm? | the cell interior |
| What's a ribosome? | contains RNA and the location where proteins are made |
| What's an organelle? | structures that carries out a specific function in a cell |
| What's a cytoskeleton? | a network of protein filaments that provides structure, size/shape and movement |
| What's a microtobule? | hollows tubes for transportation of information from the nucleus to other parts of the cell that is made up of protein tubulin |
| What's a nucleus? | contains the cell's DNA |
| What's a nuclear envelope/membrane? | acts as a barriers between the cells and its environment |
| What's a nucleolus? | produces ribosomes |
| What's the ER? | system of membranes that serves in the production of protein |
| What's a smooth ER? | produces lipids and has no ribosomes |
| What's a rough ER? | ribosomes attach here and synthesize proteins |
| What's the Golgi apparatus? | modifies the completed proteins and repackages them in vesicles to leave the cell |
| What's a vesicle? | membrane-bound sac that transports substances in cells |
| What's a mitochondria? | the site of cellular respiration that generates ATP |
| What's a lysosome? | works in producing, packaging and distributing proteins |
| What's a vacuole? | stores water and may contain other substances such as ions and other nutrients |
| What's a chloroplast? | contains chlorophyll and is the site of photosynthesis |
| What's a cytosol? | site of multiple cell processes |
| What's a capsule? | a protective barrier made up of polysaccharides that surrounds the cell wall and allows for adhesion |
| What's an actin/microfilaments? | by contracting and expanding, it plays a huge role and finding out the shape of the cell and of course, its movement |
| What's an intermediate fiber? | |
| What's a plastid? | organelles in plant cells involved with pigment synthesis and/or storage |
| What's a chloMOplast? | synthesizes and stores other color pigments found in fruit and flower petals |
| What's a leucoplast? | appears white, lack pigment that store macromolecules in plant roots |
| What are the nuclear pores? | substances gain access and are able to move through the nuclear membrane by using the nuclear pores |
| What's endosymbiosis? | a close, permanent relationship where one species lives inside another |
Created by:
ainaxv
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