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Questions and Answers
Which class of enzymes catalyzes cleavage of C-C, C-S, and certain C-N bonds?
Which class of enzymes catalyzes cleavage of C-C, C-S, and certain C-N bonds?
- Oxidoreductases
- Hydrolases
- Lyases (correct)
- Transferases
Which class of enzymes catalyzes racemization of optical or geometric isomers?
Which class of enzymes catalyzes racemization of optical or geometric isomers?
- Isomerases (correct)
- Oxidoreductases
- Transferases
- Ligases
Which class of enzymes catalyzes formation of bonds between carbon and N coupled to hydrolysis of high-energy phosphates?
Which class of enzymes catalyzes formation of bonds between carbon and N coupled to hydrolysis of high-energy phosphates?
- Hydrolases
- Transferases
- Oxidoreductases
- Ligases (correct)
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Study Notes
- Enzymes are classified into six major classes in the systematic naming system.
- The suffix -ase is attached to a description of the catalyzed chemical reaction.
- Oxidoreductases catalyze oxidation-reduction reactions.
- Transferases catalyze transfer of C-, N-, or P-containing groups.
- Hydrolases catalyze cleavage of bonds by addition of water.
- Lyases catalyze cleavage of C-C, C-S, and certain C-N bonds.
- Isomerases catalyze racemization of optical or geometric isomers.
- Ligases catalyze formation of bonds between carbon and N coupled to hydrolysis of high-energy phosphates.
- University of Baghdad's College of Medicine is teaching this in 2022-2023.
- Examples of reactions for each class are provided.
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