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chapter 8

vocab for exam 2

TermDefinition
what is metabolism? all catabolic and anabolic reactions
catabolic pathways release energy by breaking down complex molecules into simpler compounds
anabolic pathways consume energy to build a complex molecules from simpler ones
thermodynamics the study of energy transformations
first law of thermodynamics energy can be transferred and transformed, but it cannot be created or destroyed
second law of thermodynamics every energy transfer or transformation increases the entropy( disorder) of the universe
exergonic reaction energy released, spontaneous
endergonic reaction energy required, spontaneous
ATP adenosine triphosphate
transport work ATP phosphorylates transport proteins
mechanical work ATP binds noncovanlently to motor proteins and then is hydrolyzed.
metabolic pathway begins with a specific molecule and ends with a product
competitive inhibitors molecule that slows down an enzyme by binding to the enzymes active site
allosteric regulation allosteric regulation occurs when a regulatory molecule binds to a protein at one site and affect the proteins function at another site.
the binding of blank that stabilizes the active form of the enzyme activator
the binding of blank stabilizes the inactive form of the enzyme inhibitor
feedback inhibition the end product of a metabolic pathway, shuts down the pathway
Created by: nataliestern2025
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