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15 Cards in this Set
- Front
- Back
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what is the fuction of a nucleus? |
-stores genetic info -controls activity of the cell |
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what is the fuction of cytoplasm? |
-Where most chemical reactions take place. |
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what is the fuction of a cell membrane? |
-Controls what substances go in and out of the cell. |
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what is the function of Mitochondria? |
-The site of respiration where energy is released. |
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what is the fuction of ribosomes? |
-where protein synthesis takes place. |
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what is the fuction of a cellulose cell wall? |
-it strengths the cell. |
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What is the function of chloroplasts? |
-contains chlorophyll -absorbs light energy to make food. |
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what is the function of a permanent vacuole? |
-contains cell sap. |
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why do ribsomes rely on mitochondria to function? |
-mitochondria carrys out respiration -so release energy -this energy is needed so the ribosomes can make proteins. |
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what are the key features of a bacterial cell? |
-cytoplasm -cell wall -genes are not in nucleus. |
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what are the key features in yeast cells? |
-single-celled organisms -nucleus -cytoplasm -cell membrane -cell wall. |
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what are specialised cells? |
-cells that carry out a particular function. |
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how can dissolved substances move into and out of cells? |
-diffusion. |
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what is diffusion? |
-the movement of particles from an area of high concentration to an area of low concentration. -down a concentration gradient. |
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why is oxygen required to diffuse into cells? |
-needed for respiration. |
