Organelles Biology I. Plant Cell Cellular boundaries Cell membrane: thin flexible barrier around...
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Transcript of Organelles Biology I. Plant Cell Cellular boundaries Cell membrane: thin flexible barrier around...
![Page 1: Organelles Biology I. Plant Cell Cellular boundaries Cell membrane: thin flexible barrier around cells Cell Wall: An inflexible barrier protects the.](https://reader036.fdocuments.in/reader036/viewer/2022083008/56649f3a5503460f94c57a24/html5/thumbnails/1.jpg)
Organelles
Biology I
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Plant Cell
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Cellular boundaries
Cell membrane: thin flexible barrier around cells
Cell Wall: An inflexible barrier protects the cell and gives support found in
Bacteria Fungi Plants
Cytoplasm: clear gelatinous fluid inside a cell
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Nucleus
Controls most of cell processes contains DNA
Contains material for making proteins Chromatin-
DNA bound to proteins When divides forms chromosomes Contain genetic info
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Nucleus
Nucleolus: within the nucleus makes ribosomes
Nuclear envelope- double membrane around nucleus Filled with pores
allows genetic material to pass through
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Animal Cells
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Cytoskeleton provide support for the cell Made up of protein Microtubules-
provide shape tracks for organelle movement Help separate chromosomes
Microfillament Long thin fibers function to support cell
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Support and Locomotion
Cilia: short hairlike projections move in a wavelike motion
Flagella: long projections move in a whip like motion
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Paramecium Cilia
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Euglena- Flagellum
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Assembly, Transport and Storage
Endoplasmic reticulum: Parts of cell membrane are made
proteins are modified Ribosomes
proteins made
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ER not for doctors anymore
Rough ER- proteins are modified here (synthesis) Ribosomes dot surface of Rough ER
Smooth ER- Enzymes perform specialized tasks
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Golgi
Golgi Apparatus: Sort and
package proteins Send out
proteins to particular destinations
Mail room:)
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Storage and deletion Vacuoles:
temporary storage of materials plants have a big Vacuole
Lysosomes- small organelles filled with enzymes Break down lipids, carbohydrates and
proteins Break down organelles which are no longer
useful
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Energy Transfers
Chloroplasts: capture light energy produce food to store for a later time
Mitochandria: Transform energy for the cell. “Power house” of the cell Use energy from food
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Plant Cells
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Paramecium
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Euglena