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  • Enzymes and the active site (article) | Khan Academy
    The answer depends on the enzyme Some enzymes speed up chemical reactions by bringing two substrates together in the right orientation Others create an environment inside the active site that's favorable to the reaction (for instance, one that's slightly acidic or non-polar)
  • Enzymes (video) | Cellular energetics | Khan Academy
    An enzyme is just a special chemical This means that it can react and form temporary bonds The same way sodium and chlorine come together, enzymes and their substrates can come together Hope this helps!
  • Enzymes review (article) | Khan Academy
    Each type of enzyme typically only reacts with one, or a couple, of substrates Some enzymes are more specific than others and will only accept one particular substrate
  • Enzyme regulation (article) | Khan Academy
    Compartmentalization means that enzymes needed for specific processes can be kept in the places where they act, ensuring they can find their substrates readily, don't damage the cell, and have the right microenvironment to work well
  • Enzyme inhibition and kinetics graphs (article) | Khan Academy
    This plateau occurs because the enzyme is saturated, meaning that all available enzyme molecules are already tied up processing substrates At this point, the rate of reaction (amount of product produced per unit time) is limited by the concentration of enzyme, and the reaction has reached the maximum velocity, or V m a x
  • The citric acid cycle - Khan Academy
    Overview and steps of the citric acid cycle, also known as the Krebs cycle or tricarboxylic acid (TCA) cycle
  • Cooperativity (video) | Enzyme kinetics | Khan Academy
    I was thinking there isn't actually enough information to conclude that the enzyme would have higher affinity with two substrates bound than with one If it were negatively cooperative, wouldn't the affinity decrease with more substrates bound?
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  • Basics of enzyme kinetics graphs (article) | Khan Academy
    Because unlike substrates, which have decreased affinity for the active site when they're converted to the product molecules, inhibitors don't really undergo a reaction to change their molecular structure, so I don't see any reason as to why they should come off the enzyme
  • Biomolecules and reactions (article) | Khan Academy
    These molecules are the enzyme's substrates The part of the enzyme where the substrate binds is called the active site The enzyme holds the substrate in a specific way (called the enzyme substrate complex), which allows the reaction to happen more efficiently





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