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BSC1010-Metabolism

PBSCBSC- An Introduction to Metabolism

QuestionAnswer
The addition of a phosphate to any molecule or substrate. Phosphorylation
In a reversible reaction, if there is more product, which way will the reaction proceed? Toward the production of Reactant.
This law states that the total amount of the energy in the universe remains constant. First Law of Thermodynamics
Metabolic reactions whereby the products have more energy than the reactants. Endergonic
Which has LESS potential energy, ADP or ATP? ADP
What does ATP stand for? Adenosine Tri Phosphate
What is the name of the region of an enzyme which binds the substrate? Active Site
This law states that all ordered systems proceed toward increasing randomness over time. Second Law of Thermodynamics
This is defined as the capacity to do work. Energy
What are the building blocks of enzymes? Amino Acids
The gain of electrons is called _______. Reduction
The term for changing the shape of a protein either by high heat or a change in pH. Denaturation
The loss of electrons is known as _______. Oxidation
The name of the substrate when it is at the top of the energy hill and it is said to be "activated". Transition State
The type of allosteric control whereby product feeds back allosterically to turn off the enzyme. Feedback Inhibition
The shorthand term for when reduction and oxidation reactions are coupled. Redox Reactions
This is defined as energy use and transfer. Metabolism
Metabolic reactions whereby the products have less energy than the reactants. Exergonic
The type of enzymatic control whereby the reaction is controlled by the binding of a molecule to a seconedary binding site. (other than that of the active site) Allosteric Control
A measurement of disorder or randomness. Entropy
The type of enzymatic control whereby a molecule similar to the substrate blocks the active site by binding to it. Competitive Inhibition
What is the name of the model which specifies that the enzyme's active site changes to fit the shape of the substrate? Induced Fit Model of Enzymes & Substrates
Enzymes speed up the rate of reactions by lowering the _______. The Energy of Activation
Created by: callen-pbsc
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