Bio 1101 Exam 3
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Energy | the capacity to do work, either actively or stored for later.
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| Exergonic | an energy yielding process- composed of exothermic and exophotic
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| Endergonic | an energy requiring process- composed of endothermic and endophotic
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| Entropy(S) | a measure of randomness in a system
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| Free energy | energy which is available to do work
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| Gibbs free energy exchange | the change n heat minus the change in entropy multiplied by the absolute temperature
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| First law of thermodynamics | the total energy in the universe is constant and therefore energy can NOT be created nor destroyed
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| Second law of thermodynamics | in the universe, the total amount of free energy available for doing work is declining because this energy is being lost in some other energy form
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| Oxidation | loss of an electron
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| Reduction | the gain of an electron
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| Metabolism | the sum of all energy exchanges that occur through chemical reactions
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| Anabolism | all chemical reactions involved in biosynthesis (building up)
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| Catabolism | all chemical reactions involved in the degradation of larger particles (breaking down)
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| Enzymes | water-soluble proteins which lower the activation energy of chemical reactions in living cells
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| Cofactors | change the shape of enzymes to help them fit and process their respective substrate
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| ATP | how your body stores energy
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| Phosphorylation | the process of making ATP
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| Photophosphorylation | the use of light to make ATP
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| Oxidative Phosphorylation | the use of oxygen to make ATP
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| Enzymes are mad up of | amino acid monomers
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| Combination | A+B+E----AB-E----AB+E
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| Dissociation | AB+E----AB-E-----A+B+E
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| Active site | where the enzyme chemically alter the substrate
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| Catalyst | affect but do NOT chemically change themselves during the reaction
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| Enzymes have an optimum temperature | 37 degrees C= 98.6 degrees F
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| Irreversible Inhibition | binding of chemically active substance to key R-groups which causes permanent damage/death.
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| Noncompetitive Inhibition | reversible if treated in time; a chemically related substrate occupies another site besides the active site to cause temporary change in the enzymes shape
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| Competitive Inhibition | reversible; a chemically related substrate occupies the active site
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| Allosteric Interaction | the "other shape"; involved in negative feedback control of enzymes/hormones
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| Allosteric Effectors | cofactors, coenzymes, or a product made by the enzyme
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
twymbs
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