Enzyme Activity May Be Regulated by Several Means

question 43

Essay

Enzyme activity may be regulated by several means.Can you identify the mode of regulation for each of the following examples?
a.When glucose is converted to glucose-6-phosphate by hexokinase,the accumulation of glucose-6-phosphate inhibits the reaction.
b.A foreign substance is added to the reaction in part a above.This substance binds to hexokinase and prevents its ability to catalyze the reaction.
c.An inactive form of an enzyme becomes active after being phosphorylated.
d.Pepsinogen becomes pepsin after being released into the lumen of the stomach.
e.In a series of enzymatic reactions,it is found that the product of the last reaction inhibits the first enzyme in the series of reactions.

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Definitions:

Production Technology

The methods, equipment, and techniques used in the production of goods and services, including advancements that can impact efficiency and output.

Flextime

A flexible work schedule that allows employees to alter their start and end times, offering a better work-life balance.

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The planned hours and days that employees are expected to work, including shifts, rotations, and flex-time arrangements.

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Groups of employees who are given the autonomy to plan, execute, and monitor their tasks with minimal direct supervision.