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11 Cards in this Set
- Front
- Back
- 3rd side (hint)
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__________is the total potential energy of a system
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Enthalpy
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not entropy
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Entropy & enthalpy are related by a 3rd type of energy termed ____________
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free energy (G)
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energy gratis!!
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What is the amount of energy able to do work under the conditions of a biochemical reaction?
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free energy (G)
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energy gratis!!
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By what equation are free energy, enthalpy, and entropy related?
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H = G + TS, where H is enthalpy, G is free energy, S is entropy, and T is absolute temp.
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4 variables.
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Enzymes work best under specific conditions which are (3)___________, _____________, & ____________.
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temp, pH, and ion concentration
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think enzymes
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A cell regulates enzyme activity in 3 ways. What are they?
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1. By controlling the amount of enzyme produced.
2. By controlling the amount of substrate that is present 3. by feedback inhibition |
think cell regulation
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The formation of a product that inhibits an earlier reaction in the sequence of the cell regulation of enzyme activity is___________.
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feedback inhibition
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present tenst of fed.
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In __________ the inhibitor completes with the normal substrate for binding to the active site of the enzyme.
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competitive inhibition
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adj for compete
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________________occurs when an inhibitor forms weak chemical bonds with the enzyme.
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Reversible inhibition
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go backwards
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Most eukaryotes & prokayotes carry out ________________, a form of cellular respiration requiring _____________.
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aerobic respiration, oxygen
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During aerobic respiration, nutrients are catabolized to _____________ & ____________.
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carbon dioxide, water
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