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18 Cards in this Set
- Front
- Back
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What are 3 types of ways ATP drives cellular work? |
Chemical work, Transport work, and Mechanical work |
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What is a calorie (cal)? |
Amount of energy that can raise the temperature of 1 gram (g0 of water by 1 degrees celesus |
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What is a substrate? |
Reactant molecule which fits into an enzyme's active site |
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What is Entropy? |
Measure of the amount of disorder, or randomness, in a system. |
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What is Metabolishm? |
The total sum of an organism's chemical reactions. |
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ATP is made up of...? |
An organic molecule call Adenosine, and a tail of three phosphates |
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True or false? Energy can be destoyed and created. |
False |
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Heat energy what type of energy? |
Kinetic |
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Chemical energy is what type of energy? |
Potential |
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What three processes are common to all living cells? |
Energy Metabolism, Enzymes, and Plasma Membrane Transport Region. |
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What is Hypotonic? |
A solution with a lower concentration of solute relative to another solution. |
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What is Isotonic? |
A solution of equal solute concentration. |
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What is Hypertonic? |
A solution with a higher concentration of solute relative to another solution. |
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What is Osmosis? |
Diffusion of water across a selectively permeable membrane. |
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What is a process o fendocytosis referred to as "cellular eatin"? |
Phayocytosis |
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True or false? Active tansport requires a cell to expend ATP energy to move molecules against their concentration gradient. |
True |
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Overall, diffusion of molecules is ___________. Molecules move from a region where they are _____ concentrated to a region where they are _____ concentrated. |
Directional More Less |
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What are the four main types of transport across a membrane? |
Passive transport, active transport, excosytosis, and endocytosis. |
