
Enzyme regulation (article) | Khan Academy
Allosteric regulation Allosteric regulation, broadly speaking, is just any form of regulation where the regulatory molecule (an activator or inhibitor) binds to an enzyme someplace other than the active …
Allosteric regulation and feedback loops - Khan Academy
Build on your understanding of the two-step process of enzyme catalysis and the Michaelis-Menten Equation as you uncover how allosteric regulation influences enzymatic activity. Discover the role of …
Regulation of cellular respiration (article) | Khan Academy
A number cellular respiration enzymes are controlled by the binding of regulatory molecules at one or more allosteric sites. (An allosteric site is just a regulatory site other than the active site.) Binding of a …
Regulation of Krebs-TCA cycle (video) | Khan Academy
The citric acid cycle, always active to varying degrees, is crucial for ATP production. Acetyl-CoA enters the cycle, undergoes oxidations, and exits as carbon dioxide, producing FADH2 and NADH. This …
Competitive inhibition (video) | Khan Academy
Enzymes catalyze reactions by binding substrates to their active sites. Inhibition can occur competitively (when a molecule competes for the active site) or non-competitively (when a molecule binds …
Regulation of pyruvate dehydrogenase (video) | Khan Academy
Dive into the regulation of the citric acid cycle, exploring how Acetyl-CoA enters the cycle and gets oxidized into carbon dioxide. Uncover the irreversible reaction from pyruvate to Acetyl-CoA, and how …
Covalent modifications to enzymes (video) | Khan Academy
Learn about covalent modifications and how they change enzyme behavior. Learn about post-translational modifications like methylation, acetylation, and glycosylation. Understand zymogens, …
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Basics of enzyme kinetics graphs (article) | Khan Academy
Michaelis-Menten enzymes are different from allosteric enzymes (discussed in the main article on enzyme regulation). Allosteric enzyme s typically have multiple active sites and often display …
Induced fit model of enzyme catalysis (video) | Khan Academy
Get a better appreciation for how enzymes and substrates bind together. Uncover the mysteries of enzyme catalysis through the induced fit model. Learn how enzymes speed up reactions, the …