3. For two of the following: 1) give a full definition of the type of enzyme reg

Question

3. For two of the following:
1) give a full definition of the type of enzyme regulation
2) give a specific example of an enzyme and the reaction it catalyzes which is regulated via this type of enzyme regulation.
Choose from a) isoenzyme forms, b) genetic regulation, c) reversible covalent modification, d) Zymogen activation. These are your choices pick 2. See above picture.

type answer here] 3. For two of the following i) give a full definition of the type of enzyme regulation and i) give a specific example of an enzyme and the reaction it catalyzes which is regulated via this type of enzyme regulation. Choose from a) isoenzyme forms, b) genetic regulation, c) reversible covalent modification, d) zymogen activation. Circle the letters of the enzyme regulation mechanisms you are defining and giving an example. (4 pts each). type answer here for your first choice] type answer here for your second choice)

Explanation / Answer

Isoenzyme form of enzyme regulation: Isozymes are enzymes which catalyse the same chemical reaction but have different amino acid sequence. Example of isozymes are creatine phosphokinase. MM isoforms are present in muscles, BB isoform in brain and MB isoform in heart.

Genetic regulation of enzymes: The production of enzymes us regulated at the genetic level. Lac operon is the best example. The enzyme galactosidase is secreted only in the presence of lactose and absence of glucose.

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