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20 Cards in this Set
- Front
- Back
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The cell theory states:
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All living things are composed of cells
cells are the basic unit of structure and function in living things new cells are produced from existing cells |
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What 2 common characteristics do all cells have
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they are surrounded by a barrier called a cell membrane, they contain the molecule that carriers biological information- DNA
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What are prokaryotes
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Cells that have genetic material that is not contained in a nucleus
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What are Eukaryotes
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Cells that contain a nucleus in which their genetic material is separated from the rest of the cell
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Converts chemical energy in food into compounds the cell can use
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Mitochondrion
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Site where proteins are assembled
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Ribosome
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Site were lipid components of cell membrane are assembled
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endoplasmic reticulum
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Modifies, sors, and packages proteins
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Golgi apparatus
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Acts as the cell's cleanup crew
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Lysosome
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Captures energy from sunlight and converts it into chemical energy
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chloroplast
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In the process of ______________, a protein channel helps the diffusion of glucose across a membrane
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facilitated diffusion
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The diffusion of water through a selectively permeable membrane is called __________
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osmosis
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The process that moves materials through a membrane against a concentration difference known as ____________________
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active transport
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two major parts of a eukaryote
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nucleus and ctyoplasm
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eukaryotic cells contain structures known as _______
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organelles
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Inside the nucleus is a granular material called _______
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chromatin
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Most nuclei also contain a small, dense region known as the ________
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nucleolus
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Small particles of RNA and protein found throughout the cytoplasm
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Ribosomes
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Where the lipid components of the cell membrane are assembled, along with proteins and other materials that are exported from the cell.
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Endoplasmic reticulum
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Involved in the making of lipids
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Smooth endoplasmic reticulum
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