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| Made the study of cells possible? |
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| All organisms are made of... |
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| What is the most basic unit of structure and function in all living things? |
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| Three facts about a Prokaryotic Cell... |
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Definition
1. no membrane bound organelles
2. no nucleus
3. consists of bacteria |
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| One cell organisms are kown as.... |
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| The irregularly-shaped region within the cytoplasm of prokaryotic cells that contains the genetic material... |
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| Small circular pieces of DNA that exist and replicate seperately from the main chromosomes... |
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| Hair-like surface structures used by a bacteria for adhesion, locomotion, and transfere of DNA |
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| A whip-like structure used for locomotion... |
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| Specialized structures within the cell that perform specific functions and are bound with a membrane... |
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| The phospholipid bilayer that cotains embedded proteins, carbohydrates, and cholesterol... |
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| Tell three things that distinguish a eukaryotic cell from a prokaryotic cell... |
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Definition
Eukaryotic cells...
1. more complex
2. have membrane bound organelles
3. larger |
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| Three samples of Eukaryotic cells... |
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Definition
1. animal cells
2. plant cells
3. fungi
4. protist |
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Term
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Definition
| The jelly-like substances that fills the inside of the cell and contains dissoloved substances that are important for cellular function... |
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A network of structural fibers found in the cytoplasm
examples: |
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Definition
cytoskeleton
microfilaments, microtubules, intermediate fibers |
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Definition
| A membrane covered structure that contains the DNA and contrls the cell |
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Definition
| a double layered membrane that protects and isolates the DNA - also known as the envelope |
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| Protein lined openings that allow substances to enter and leave the cell |
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The Jelly like substance that fills the nucleus and contains important substances like nucleotides.
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| The loosley packed strands of DNA that allow enzymes and free nucleotides to access the DNA for transcription and replication |
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| DNA when it is tightly packed and ready for cell division... |
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| The dense region within the nuclues, produces ribosomal subunits |
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Definition
Performs proteinsynthesis in the cell...
makes protein |
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Term
| (ER) Endoplasmic Reticulum |
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Definition
Forms a pathway that molecules can use to move from one part of the call to another...
Where lipids and proteins synthesis occurs |
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Term
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Definition
| Contains numerous ribosomes embeded in the membrane and sometimes produces or modifies proteins. |
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Similar to Rough ER but does not contain ribosomes...
Produces lipids and breaks downcertain toxic substances. |
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| Sorts, Modifies, and packages substances for secretion out of the cell.. |
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| Sorts, modifies, and packages substances for secretion out of the cell |
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| Small membrane-bound sacs used to transport substances in, out, and around the cell |
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Specialized vesicles that contain oxidative enzymes that are used to synthesize and break down certain substances.
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Definition
| Converts the chemical energy to useable ATP |
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Definition
| Specialized vesicles that contain numerous enzymes that break down foreign matter... cleans up |
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| Storage center for water, food, and waste |
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| A structural layer outside of the cell membrane that provides protection and structure |
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