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Definition
| a molecule composed of three main part; a charged phosphate group, glycerol, & two fatty acid chains |
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Definition
| describes the arrangement of the molecules that make up a cell membrane |
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Definition
| allows some, but not all materials to cross |
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Definition
| a protein that detects a signal molecule and performs an action in response |
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Definition
| the movement of molecules across a cell membrane without energy input from the cell |
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Definition
| the movement of molecules in a fluid or gas from a region of high concentration to a region of lower concentration |
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Definition
| the difference in the concentration of a substance from one location to another |
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Definition
| if a solution has the same concentration of dissolved particles as the cell |
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Definition
| has a higher concentration of dissolved particles than a cell |
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Definition
| has a lower concentration of dissolved particles |
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Definition
| the diffusion of molecules across a membrane through transport proteins |
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Definition
| drives molecules across a membrane from a region of lower concentration to a region of higher concentration |
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Definition
| the process of taking liquids or fairly large molecules into a cell by engulfing them in a membrane |
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Definition
| a type of endocytosis in which the cell membrane engulfs large particles |
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Definition
| the opposite of endocytosis, the release of substances out of a cell by a fusion of a vesicle with the membrane |
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Definition
| a molecule that transfers energy from the breakdown of food molecules to cell proccesses |
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Definition
| a lower energy molecule that can be converted into ATP by the addition of a phosphate group |
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Definition
| releases chemical energy from sugars and other carbon based molecules to make ATP when oxygen is present |
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Definition
| process which means that it needs oxygen to take place |
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Term
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Definition
| splits glucose into two three carbon molecules and makes two molecules of ATP |
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Definition
| does not need oxygen to take place |
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Definition
| produces molecules that carry energy to the second part of cellular respiration |
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Definition
| does not make ATP, but it allows glycolysis to continue |
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Definition
| is what causes your muscles to burn during hard excercise |
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