a. Nucleus- controls cell function (has DNA).
description
Transcript of a. Nucleus- controls cell function (has DNA).
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B. Eukaryotic cells have a membrane bound nucleus that contains genetic information and directs activities of the cell. They also have membrane bound organelles.
Ex.: Plants, Animals, Fungus, Algae
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1. Eukaryotic cells have organelles- cell structures that perform specific functions. Animal cells have:
a. Nucleus- controls cell function (has DNA).
b. Nucleolus- inside nucleus- makes ribosomes.
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b. Nucleolus- inside nucleus- makes ribosomes.
c. Endoplasmic Reticulum- Cellular chemical reactions and protein packaging.d. Ribosomes- synthesizes (makes) proteins.
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d. Ribosomes- synthesizes (makes) proteins.
e. Golgi Apparatus- modifies proteins and other substances. It sorts, packages and transports them where they need to go (using vesicles).
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e. Golgi Apparatus- modifies proteins and other substances. It sorts, packages and transports them where they need to go (using vesicles).
f. Mitochondria- makes energy for the cell transforms glucose and other substances into ATP.
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f. Mitochondria- makes energy for the cell transforms glucose and other substances into ATP.
g. Lysosomes- digests wastes, bacteria and old cell parts.
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g. Lysosomes- digests wastes, bacteria and old cell parts.
h. Vacuoles- storage compartments for waste or needed nutrients. In plants vacuoles are larger and store water.
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h. Vacuoles- storage compartments for waste or needed nutrients. In plants vacuoles are larger and store water
2. All cells have a cell membrane- the phospholipid bilayer that regulates what moves into and out of the cell.
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2. All cells have a cell membrane- the phospholipid bilayer that regulates what moves into and out of the cell.
3. All cells have cytoplasm- the gelatinous fluid that suspends the organelles and a cytoskeleton, a framework of protein fibers that supports the cell.
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3. All cells have cytoplasm- the gelatinous fluid that suspends the organelles and a cytoskeleton, a framework of protein fibers that supports the cell.
Plant Cell vs. • Chloroplasts
For photosynthesis• Large vacoules• Cell Wall
For structural support
Animal Cells
• No chloroplasts
• Small vacuoles• No cell wall
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Cilia and flagella
• http://www.youtube.com/watch?v=dXVG-DwOtKU&feature=plcp
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Amoeba- cytoplasmic streaming
• http://www.youtube.com/watch?v=7pR7TNzJ_pA&feature=fvwrel