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The major source of hydrogen peroxide in the cell is from the oxidation of flavin-linked oxidases:
This takes place in the microbodies of plant and animal cells. Peroxisomes and glycoxisomes are microbodies found in the cells of plants and. fungi, whilst similar microbodies are found in animal cells, especially in liver and kidney tissues of mammals. There is also some evidence to suggest that catalase can be found outside of the peroxisomes, in the cytosol of the cell. Yeah,they are found in every mammal also. A long time ago, they were were thought to be in RBC but now they have realized the real truth.
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∙ 15y ago
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Why is catalase necessary for survival of aerobic microbes and what does it do?
The enzyme, catalase, is produced by bacteria that respire using oxygen, and protects them from the toxic by-products of oxygen metabolism.
What form of oxygen is detoxified by the enzyme catalase?
peroxide anion
What is substrate molecule?
Is a molecule upon which an enzyme acts. e.g. hydrogen peroxide is the substrate for the enzyme catalase
What enzyme is not found in S epidermidis but is found in S aureus?
catalase
What Enzyme found in peroxisomes?
There are several enzymes.Some are catalase,oxydase etc.
How is hydrogen peroxide produced in a cell?
Catalase is an enzyme that speeds up the reaction.
What is the effect of adding orange juice to the enzyme catalase?
There is not much of an effect when you add orange juice to the enzyme catalase. If anything, a slight buttermilk odor will be produced, and the weight of the sample will change.
Why is catalase necessary for survival of aerobic microbes and what does it do?
The enzyme, catalase, is produced by bacteria that respire using oxygen, and protects them from the toxic by-products of oxygen metabolism.
What is a food source of the enzyme catalase?
Carrots, patatoes, and liver are good sources of enzyme catalase
What part of the body is catalase found?
In humans, Catalase exists in all the organs of the body, but is found mosty in the liver.
What enzyme distinguishes staphylococci from streptococci?
Catalase. Staphylococci are catalase positive. Streptococci are catalase negative.
What enzyme acts on hydrogen peroxide in living organisms?
Catalase Catalase
Why does fresh liver react better in H2O2 then boiled liver?
It all has to do with catalase. Catalase is an enzyme and a biological catalyst in the decomposition of H2O2. When its fresh, catalase is still present in the liver. However, when the liver is boiled, the catalase enzyme is denatured (as it is a protein).
Hydrogen is a substrate of the enzyme catalase?
Peroxide
What hydrogen is a substance of the enzyme catalase?
peroxide
Catalase is a endoenzyme or exoenzyme?
Catalase is considered an endoenzyme because it is produced and used within a cells metabolic machinery. Since it breaks down superoxide molecules it must work inside the cell.
What is the point of boiling a catalase?
boiling catalase denatures the enzyme making unable to function
