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Pepsin in the stomach
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∙ 13y ago
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What enzyme works best in alkaline?
37.5 centigrade.
Where does chemical digestion of fat occur?
The small intestines, where it is then broken down into glycerol and fatty acids.
What is the effect of pH upon the relative enzyme activity?
Different enzymes work best at different pH. This is refered to as the ideal pH for the enzyme. For example, the digestive enzyme trypsin works best at an acidic pH while alkaline phosphatase works best at a basic pH. Therefore, enzyme activity varies with pH and this variation depends on the enzyme being studied
What happen to enzyme when it is placed with a concentrated acid?
Enzymes work well in pH 7. So when an enzyme is placed with a concentrated acid its ability to break down food molecules will be increased, thus breaking down the food better. This acid is produced by the stomach and is later neutralised by bile and made into an alkaline to be passed onto the smaller intestine, as it works best in alkaline conditions.
What is a gastric protease?
It is an enzyme that is produced in the stomach and used to digest proteins to polypeptides. It works best in acidic conditions
What is the material in which an enzyme acts?
What refers to the set of conditions including oh temperature and or light under which a certain type of protein cell works best
The pH at which an enzyme works best can vary greatly from one enzyme to the other?
true
All enzymes act best at a pH close neutral?
This is not true. Different enzymes thrive in completely different pH conditions. Consider the protease pepsin, which works in the stomach. It breaks down proteins in acidities as low as pH 2. In the duodenum, lipase works best in slightly alkaline conditions.
What is the true relationship between pH and enzyme action?
The enzyme has an optimal point of pH at which the enzyme works best. For example a catalase enzyme works best in a pH of 7. When the pH changes it denatures the enzyme causing it to not be able to react with the substrate.
At what pH is the rate of enzyme activity the highest?
Pepsin secreted in the stomach, works at highly acidic pH and the pH could be as low as 2. The optimal pH for pepsin is thus near about 2. This pH is maintained by HCl secreted by the gastric glands in the stomach.
What is the optimum temperature for enzyme 2?
55 CThis enzyme works best at a temperature of 50 C and a pH of 12.If the enzyme will be above this temperature, it will denature.
Pepsin a digestive enzyme found in the stomach works best at a pH near?
Pepsin works best in acidic environments and it's optimal pH (the pH at which it works best) is 2.0
