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Co-Factors
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∙ 12y ago
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What can you do to regain the activity of the enzyme?
The enzyme is inactive at this point. New enzyme must be added to regain enzyme activity
What are the effects of freezing on enzyme activity?
When an enzyme is frozen, it only slows down activity. Unlike boiling an enzyme, it does not stop it from working.
What is the effect of cold temperatures on enzyme activity?
Cold temperatures have a drastic effect on an enzyme's activity level. Cold temperatures usually dramatically slow down an enzyme's activity.
What blocks enzyme activity by binding to allosteric site of an enzyme causing the enzyme's active site to change shape?
An allosteric inhibitor stops enzyme activity by binding to an allosteric site and causing the conformation of the enzyme to change.
What does activity of an enzyme depend on?
The concentration of hydrogen ions in solution affects the enzyme activity. Each enzyme has maximal efficiency under an optimum pH. Since pH is one of the factors for the denaturation of proteins, if an enzyme is submitted to a pH level under which it is denatured there will be no enzymatic activity.
What is the Effect of mineral and vitamin deficiency on enzyme activity?
many vitamins and minerals play crucial roles in many metabolisms as coenzyme or cofactor. Deficiency of those lower the related-enzyme activity.
This essential substance increases the rate of a biochemical reaction?
the inorganic substance which increases the enzyme activity is called?
What are cofactors in cells and what are they derived from?
Cofactors are nonprotein additions that are needed for enzyme activity. Cofactors are derived from vitamins and minerals.
What can you do to regain the activity of the enzyme?
The enzyme is inactive at this point. New enzyme must be added to regain enzyme activity
What is the effect of hydrochloric acid on the enzyme activity?
Denature enzyme activity
What are the effects of physical activity on enzyme activity?
Physical activity can alter the shape of enzyme which can cause damage or may the enzyme become inactive
An enzyme whose activity is affected when a molecule binds to a certain site other than the active site is called?
an allosteric enzyme
Which organic molecule is sometimes required for certain enzyme activity called?
coenzymes
What are the effects of freezing on enzyme activity?
When an enzyme is frozen, it only slows down activity. Unlike boiling an enzyme, it does not stop it from working.
What switchs on enzyme activity while what can switch off or reduce enzyme activity?
activators; inhibitors
What is the effect of cold temperatures on enzyme activity?
Cold temperatures have a drastic effect on an enzyme's activity level. Cold temperatures usually dramatically slow down an enzyme's activity.
What can change the way an enzyme acts?
Enzyme activity is affected by other molecules, temperature, chemical environment (e.g., pH), and the concentration of substrate and enzyme. Activators are molecules that encourage enzyme activity, and inhibitors are enzymes that decrease enzyme activity. Sometimes a cofactor is necessary for the enzyme to work.
