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  • Enzymes and the active site (article) | Khan Academy
    Enzymes as biological catalysts, activation energy, the active site, and environmental effects on enzyme activity
  • Enzymes (video) | Cellular energetics | Khan Academy
    Enzymes are biological catalysts that speed up reactions The active site is where substrates bind to the enzyme Induced fit occurs when the enzyme changes shape to better accommodate substrates, facilitating the reaction Enzymes can be used multiple times and are affected by factors such as temperature and pH
  • Khan Academy
    Oops Something went wrong Please try again Uh oh, it looks like we ran into an error You need to refresh If this problem persists, tell us
  • Enzymes review (article) | Khan Academy
    Enzymes are "specific " 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 Other enzymes can act on a range of molecules, as long as they contain the type of bond or chemical group that the enzyme targets
  • Elimination vs substitution: primary substrate - Khan Academy
    Video transcript - [Lecturer] In this video we're going to look at primary substrates and figure out if the reaction is a substitution or an elimination So for this primary alkele halide, we know an SN1 reaction is out because that would require a stable carbocation and we can't make one from this primary alkele halide
  • Basics of enzyme kinetics graphs (article) | Khan Academy
    How to read enzyme kinetics graphs (and how they're made) Km and Vmax Competitive and noncompetitive inhibitors
  • Enzyme cofactors and coenzymes (video) | Khan Academy
    The cofactors and coenzymes (organic cofactors) that help enzymes catalyze reactions
  • Enzyme inhibition and kinetics graphs (article) | Khan Academy
    This article discusses the specific effects of various enzyme inhibitors on kinetic graphs, highlighting how these visual tools can be used to pinpoint the type of inhibition involved
  • DNA replication (article) | Khan Academy
    The substrates in this reaction would be the nucleotides in the template strand as well as free floating nucleotides that will eventually make up the newly replicated strand The DNA polymerase binds the template strand’s nucleotides with the complementary nucleotides from the free floating nucleotides
  • Co-factors, co-enzymes, and vitamins (video) | Khan Academy
    How do co-substrates, prosthetic groups, and metal ions play in the categorizing of co-factors and co-enzymes? Would Magnesium and other minerals such as iron and zinc be categorized as metal ions?





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