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Describe how to tell if a substance is a protein by using the xanthoproteic test?
Wiki User
∙ 14y ago
Nitration of benzoid radicals present in the amino acid side chain occurs due to reaction with nitric acid giving the solutions a yellow colouration.
This test is answered by aromatic amino acids like tyrosine and tryptophan. Phenyl alanine gives a weak positive reaction. When a preotein solution is heated with concentrated nitric acid, the benzene ring under goes nitration to form yellow nitro derivatives. When treated with NaOH the sodium salt formed is tense orange in color.Wiki User
∙ 8y ago
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When using the particle model of matter to describe what happens to the density of a substance when it cools?
The density of the substance becomes higher because of the particles slow down and move closer together when the substance cools.
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Using benedict's reagent what method is used to find protein?
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How do you tell if a substance contains protein by using biuret test?
If Biuret Reagent is related to the presence of Protein macromolecules, then a positive result will change it's colour from blue to violet.
When using the particle model of matter to describe what happens to the density of a substance when it cools?
The density of the substance becomes higher because of the particles slow down and move closer together when the substance cools.
What is protein profiling?
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you use the protein you ingest by using it for energy.
A sentence using substance?
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You can find the pH of a substance by using?
The pH of a substance can be found by using a litmus indicator.
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Describe the four approaches to using financial ratios?
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Tolerance Difficulty in abstaining from taking or using the substance.
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Substance abuse and substance dependence are two different things. Substance abuse- is when someone is using a substance more than directed or they are using it for different reasons than what it is for. Substance dependence- is when you have developed a need physicall and/or mentally for it and without it your body in some way experiences a withdrawl.
Using benedict's reagent what method is used to find protein?
If the color is blue, it means that protein is present, if it turns orange, protein is not present.
