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| Uses visible light and system of lenses to magnify images of small samples (uses mirror) Image is not as small as Scanning microscope. |
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| Uses electrons to produce high resolution 3D images of specimen |
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| How does an organism grow and what limits cell growth? |
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| By dividing--limits are DNA overload and Surface Area |
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| Transport that allows substances (Sugar and Salt) to cross membranes with assistance of transport proteins |
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| Transport protein that moves material through open pore (does not require ATP energy) |
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| Allows specific molecules to cross cell membrane by changing shape to let them in. Requires energy. |
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| Passive transport vs. Active transport |
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Definition
| No energy required vs. energy required |
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| The difference in concentration between high and low concentration |
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| How cells maintain homeostasis |
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| Water balance, glucose concentration, body temperature, blood pH |
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| Diffusion of water across membrane |
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| Outside of cell has lower concentration, cell swells |
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| Higher concentration outside than inside, cell shrinks. |
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Definition
| Lipid droplet and nucleus |
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| Cell organization (a-->b-->c-->d) |
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Definition
| Cells, Tissue, Organs, Organ Systems |
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Definition
| A group of similar cells that perform a certain function |
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| Similar tissues of body which carry out similar functions |
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| Work together to perform a specific function |
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| Older type of cell--Prokaryotic or Eukaryotic? |
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Definition
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| Younger type of cell--Prokaryotic or Eukaryotic? |
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Definition
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| Bigger vs Smaller cell--Prokaryotic or Eukaryotic? |
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Definition
| Eukaryotic vs. Prokaryotic |
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Term
| External single DNA molecules, often contain genes that can adapt resistance |
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Definition
| Plasmid--Prokaryotic only |
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| Phospholipid bilayer--3 functions. |
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Definition
| Regulates substance exchange, communicates with other cells, protects from environment |
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| Cholesterol in phospholipid bilayer |
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Definition
| Between phospholipids, makes it stronger and more flexible |
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Term
| Carbohydrates in phospholipid bilayer |
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Definition
| Holds onto adjoining cells, receives messages |
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Term
| Protein in phospholipid bilayer |
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Definition
| Through entire layer, transports larger substances across membrane |
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Definition
| Diffusion of water from high concentration to low across a semipermeable membrane |
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