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What is the name of the enzyme responsible for gelatin hydrolysis?

The enzyme responsible for gelatin hydrolysis is gelatinase.


Why is gelatin liquefied in the presence of gelatinase?

Gelatinase is an enzyme that breaks down gelatin by cleaving its protein bonds, leading to liquefaction of the gelatin. The enzyme hydrolyzes the gelatin molecules into smaller components, causing the gelatin to lose its gel-like structure and become liquid.


Nutrient gelatin is used to test for the production of what enzyme?

gelatinase


Does adding water to gelatin affect the flexibility of the gelatin?

Yes.


Does Staphyolococcus saprophyticus contain gelatinase?

Yes, Staphylococcus saprophyticus is known to produce gelatinase, an enzyme that allows it to degrade gelatin in its environment. This enzyme helps the bacteria break down and utilize gelatin as a nutrient source.


Why does pineapple not work in gelatin?

The proteins in the pineapple called bromelain will break down the strands of protein in gelatin that forms jello. Hence, the effect of a fresh piece of pineapple on gelatin is able to keep the gelatin liquidfied.


Does time affect the strength of gelatin?

No, it doesn't.


Why doesn't boiled pepsin break down gelatin?

Gelatin is almost entirely protein. As pepsin is a protease, its job is to facilitate the break down of protein into amino acids. When the enzyme is boiled, it becomes denatured, which prevents it binding to the substrate. As a result of this, the digestion of gelatin cannot take place, so the digestion of gelatin ceases.


What indicates a positive test for gelatin hydrolysis?

A positive test for gelatin hydrolysis is indicated by the liquefaction of gelatin media after incubation. This occurs when gelatinase, an enzyme produced by certain bacteria, breaks down gelatin into its soluble components. As a result, the initially solid gelatin medium becomes liquid, demonstrating that the organism can hydrolyze gelatin. The presence of a clear zone around colonies in the medium is also indicative of positive hydrolysis.


What could you do if fresh pineapple that would allow the gelatin turn into gel?

To ensure gelatin sets properly when using fresh pineapple, you should either cook the pineapple briefly to deactivate the enzyme bromelain, which prevents gelatin from solidifying, or use canned pineapple instead, as the canning process destroys the enzyme. You can also use crushed pineapple, but make sure it's cooked to avoid the same issue. After preparing the pineapple, mix it with the gelatin and allow it to cool to set.


What are 3 factors that affect the speed of an enzyme catalyzed reaction?

3 factors that affect the speed of an enzyme catalysed reaction are: .Temperature .Enzyme Concentartion .Substrate concentration


How does increasing enzyme concentration affect the rate of enzyme action when the enzyme concentration remains constant?

It doesn't