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The enzyme is unchanged by the reaction.
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What are 2 important influences on enzymatic activity?
Heat and crupes
Do peroxisomes function to digest particles ingested by endocytosis?
no they are able to detoxify substances by enzymatic action
What other means does a cell use to control enzymatic activity?
compartmentalization of enzymes into defined organelles
What are the substances needed for photosynthesis and what substances are produced?
CO2 and water is needed. Oxygen and glucose are produced
What are the compounds which regulate enzyme activity?
They run on feedback systems. The compound that they create could speed up the process of enzymatic activity, or a higher concentration of the substrate(The compound that is being changed).
What are 2 important influences on enzymatic activity?
Heat and crupes
What is an autophosphorylation?
An autophosphorylation is the phosphorylation of a kinase protein catalyzed by its own enzymatic activity.
What is autophosphorylation?
An autophosphorylation is the phosphorylation of a kinase protein catalyzed by its own enzymatic activity.
When can refrigeration not applicable to preserve sample for enzymatic assay?
Refrigeration is not applicable to preserve sample for enzymatic assay because enzymes may lose their activity at extremely low temperatures as well. This may account for storing enzymes at 5° C or below without affecting the enzymatic activity permanently. (Anubhav, 2012)
Do peroxisomes function to digest particles ingested by endocytosis?
no they are able to detoxify substances by enzymatic action
What are the 2 conditions that destroy enzymatic activity by bond breakage?
1) Temperature 2)pH
What other means does a cell use to control enzymatic activity?
compartmentalization of enzymes into defined organelles
What are some factors that may influence enzyme activity?
Factors affecting enzyme activity1: Enzyme concentrationIf the quantity of enzyme is doubled, the enzymatic activity will also be doubled because more enzymes are now available to work. After a certain level of enzyme concentration, there will be no more increase in the enzymatic activity because all the substrate molecules are combined with an enzyme and the rate of reaction will stabilize.2: Substrate concentrationBy increasing substrate concentration, enzymatic activity increases. Increasing the substrate further without increasing the enzyme concentration will not affect the enzymatic activity because all the enzymes are occupied by a substrate molecule.3: pH valueSome enzymes require acidic surroundings, most require a more neutral condition for their activity. Change in the pH can change the enzyme's structure and enzyme become useless.4: TemperatureAn increase in temperature of 10 degree celsius doubles the enzymatic activity. Each enzyme has its own optimum temperature at which its enzymatic activity is maximum. Very high temperatures break the bonds that maintain shape of enzyme. If the enzyme denatures, the substrate can not fit in to the active sites and enzyme become useless.
Which substances are not needed for respiration?
Glucose and oxygen are needed for respiration. All other substances are not needed.
Why enzymes activity slows down and eventually stops above 35 degree C and below 0 degree C explain why?
the normal working speed of human enzymes is 37 degrees c.If enzymatic activity below the 37 degrees c it works slow and if enzymatic activity is above the 37 degrees c its works very high.
Explain the physiological significance of the differences in enzymatic activity under acidic pH?
The effects of low acidic pH in the differences of enzymatic activity can be seen in its amino acid sequence and the environment of the solution it is mixed into. Enzymes are tertiary proteins. The acid can effect the structure by making it less accessible to the substrates or ligands.
What is the role of citric acid in fruit juice concentrate?
add taste,flavour,decrease microbial activity,decrease enzymatic activity,act as antioxidant
