Two general factors that determine the fate of a chemical reaction in living cells
direction and rate
amount of available energy that can be used to promote change or do work is called
in the biochemical regulaion of metabolic pathways, how would one overcome the effects of a competitve inhiitor on enzyme activity
increase the amount of substrate for the enzyme
(TRUE/FALSE) noncompetitive inhivition within a metabolic pathway prevents excess accumulation of the pathways product. this occurs when the product binds the active site of an enzyme recucing its activity and the subsequent accumulation of product
(TRUE/FALSE) atabollic and anabolic reactions in living cells involve the transfer of electrons from one molecule to another in reduction-oxydation reactions.
RNA exposed to ________ will release ________ which the cell can recycle.
Protien exposed to a ____________ will release __________ which the cell can recycle
Proteasome, amino acids
concider the biochemical pathway: A-E1->B-E2->C Enzyme 1 can utilize...
only A as a substrate
what function do many B vitamins serve in the production of energy
they function as co-enzymes
________ binds to the active site of an enzyme
water held behind a dam would best reflect __________ energy
according to the first law of themodynamics,
energy cannot be created or destroyed
what is a logical consequence of the second law of thermodynamics
every chemical reaction must increase the total entropy of the universe
the primary function of an enzyme or any biological catalyst is to
reduce the energy of activation and increase the rate of a reaction
which term most precisely describes the process of building larger molecules from smaller ones
which term most precisely describes the cellular process of breaking down large molecules into smaller ones
Kinetic energy can best be described as:
energy associated with movement
Which of the following equations would best describe free energy?
ΔH - TΔS
In an endergonic reaction:
ΔG is positive and the reaction is not spontaneous
When reactions are in chemical equilibrium:
the rate of formation of products equals the rate of formation of reactants
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