7) Enzymatic activity has a maximum temperature because* 0 the component amino a

Question

7) Enzymatic activity has a maximum temperature because* 0 the component amino acids can fall off 0 the rate of reactions is o the side chains of essential residues O increasing the temperature too much thermodynamically controlled are chemically degraded can cause protein denaturation 8) In the reaction catalyzed by aspartate transcarbamoylase, a graph in which the rate is plotted against the concentration of substrate* O is sigmoidal, characteristic of an allosteric enzyme O shows that noncooperative kinetics O O is hyperbolic, characteristic of a are observed shows that the reaction is zero order at all substrate concentrations nonallosteric enzyme

Explanation / Answer

7)Enzymatic activity has maximum temperature because by further increasing the temperature can cause denaturation and inactivity of protein and this can cause decrease in rate of reaction.

8)The reaction rate curve catalysed by aspartate carbamoylase is sigmoidal.As aftersometime maximum rate is achieved.

9)When substrate concentration is low , nonallosteric enzyme reaction shows first order reaction.

10)When an enzyme is saturated wirh substrate , it will show zero order kinetics as there is no space left on the substrate to provide surface to the enzyme to react.

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