Term
| What are 3 functions of the cytoskeleton? |
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Definition
1. gives it shape
2.helps cell to move
3. pathway for cells to move on/ support |
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|
Term
| which organelle makes preteins using instructions that come from the nucleus? |
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Definition
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|
Term
| which means of particle transport requires input of energy from the cell? |
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Definition
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Term
| the diffusion of water across a selectively permeable membrane is called ________ |
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Definition
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|
Term
| which structures carry out cell movement? |
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Definition
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Term
| what are the 3 principles of the cell theory? |
|
Definition
1.all living things are composed of cells
2.cells are the basic unit of structure and function in living things
3.all cells come from pre-existing cells |
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Term
| the flexible barrier around the cell is called the ________ __________ |
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Definition
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Term
| name the 3 differences in organelles that you would expect to see in plant cells but not in animal cells |
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Definition
1. chloroplast
2. cell wall
3. central vacuole |
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Term
| which cell organelle contains the cell's genetic material? |
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Definition
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Term
| the main function of the cell wall is to _________________ |
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Definition
| protect plant cell and maintain its shape |
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Term
| diffusion is the net movement of molecules form an area of ___________ |
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Definition
| high concentration to low concentration |
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|
Term
| what is the main function of the plasma membrane? |
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Definition
| regulates the traffic of chemicals between cells |
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Term
| prokaryotic cells lack ____________ |
|
Definition
| a nucelus and some other organelles |
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|
Term
| which type of cell contains a nucleus? |
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Definition
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|
Term
| the channels are made of _____ |
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Definition
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|
Term
| when the concentration of molecules on both sides of a membrane is the same, the molecules will ___________ |
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Definition
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Term
| a cell that is surrounded by fresh water will burst because osmosis causes _____________ |
|
Definition
| water to move into the cell |
|
|
Term
| what is the function of the cell's nucleus? |
|
Definition
| it houses the cell's genetic material, DNA |
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Term
| what is the correct sequence of the proteins pathway when it is made in the cell? |
|
Definition
rough ER
golgi apparatus
plasma membrane |
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|
Term
| which organelle breaks down macromolecules into particles the cell can use? |
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Definition
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Term
| what organelle releases energy from sugars and other molecules? |
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Definition
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Term
| microfilaments are a structure that carry out cell _______________________ |
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Definition
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