Question

In: Biology

a) Give at least three reasons why enzymes are essential for the operation of metabolic pathways.

 

a) Give at least three reasons why enzymes are essential for the operation of metabolic pathways.

b) Why might different tissues express different isozymes?

Solutions

Expert Solution

 a :

- Enzymes act as catalysts, which enhances the rate of reaction by at least 10,00000 times as compared to a non catalyzed reaction

-Enzymes are the selective catalyst, being specific to the type of reaction catalysed and also to a single substrate or to a group of closely related substrates

-Many enzymes have a small nonprotein molecule or metal ion termed as prosthetic groups, cofactors and coenzyme that help improving the catalytic property

-Enzyme activity can be regulated so that the organism can respond appropriately to the changes in internal and external environments

 b :

Isoenzymes are different physical versions of the same enzyme seen in different tissues.

They differ in substrate specificity and also sensitivity to regulatory factors.

This help them to adjust to different tissues and helps in fine tuning of metabolism


Related Solutions

Describe the structure and roles of enzymes in metabolic pathways. Include in your answer: a. the...
Describe the structure and roles of enzymes in metabolic pathways. Include in your answer: a. the structure of proteins, enzyme function, and the roles of coenzymes, cofactors and allosteric regulators b. a description of coupled reactions that drive metabolic pathways and the reasons that some molecules are unstable c. a description of the structure of ATP, the reasons for which it is unstable, and the role(s) of the phosphate group once transferred to another molecule.
give several (at least two, though three or four might be better) reasons why countries in...
give several (at least two, though three or four might be better) reasons why countries in a particular region might be more likely to trade with other countries in that same region and briefly explain why. You could consider the country pairs of Germany and France, the united states and Canada, China and Thailand, and United arabs Emirates and Saudi arabia as example ( Though you don’t have to use them, and you could other as example)
why is inflation a problem ? give three reasons.
why is inflation a problem ? give three reasons.
Most pharmaceutical products are manufactured using batch processes. Give at least three reasons why this is so.
Most pharmaceutical products are manufactured using batch processes. Give at least three reasons why this is so. 
Explain how metabolic pathways are regulated via regulatory enzymes? How would you determine potential regulation reactions,...
Explain how metabolic pathways are regulated via regulatory enzymes? How would you determine potential regulation reactions, given free energy changes for reactions?
Explain how metabolic pathways are regulated via regulatory enzymes? How would you determine potential regulation reactions,...
Explain how metabolic pathways are regulated via regulatory enzymes? How would you determine potential regulation reactions, given free energy changes for reactions?
Name at least 4 metabolically significant membrane bound cellular compartments and the metabolic pathways that take...
Name at least 4 metabolically significant membrane bound cellular compartments and the metabolic pathways that take place within each compartment. Based on your knowledge of membrane characteristics, would you expect the metabolic substrates and cofactors glucose, pyruvate, ATP, NADH, and FAD to transit across membrane? Explain your reasoning, including specific references to chemical characteristics of these molecules. Be sure to consider whether transit would be controlled or uncontrolled.
Answer the following questions about enzymes. How are enzymes named and classified? Give at least two...
Answer the following questions about enzymes. How are enzymes named and classified? Give at least two examples. To what class of biological compounds do enzymes belong? What is the significance of this? Explain how enzymes affect activation energy and temperature in reactions d. How does the modern induced fit model of enzyme-substrate interaction differ from the original lock-and-key hypothesis?
Discuss why critical thinking essential to the nursing process. Give at least one example of how...
Discuss why critical thinking essential to the nursing process. Give at least one example of how critical thinking might be used in each stage of the nursing process.
Provide at least three reasons why companies are hesitant to adopt the intranet and for each...
Provide at least three reasons why companies are hesitant to adopt the intranet and for each reason describe how the company can best manage these issues
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT