0
What else can I help you with?
Why doesn't egg yolk have a reaction in the Sudan IV test?
Egg yolk should have a reaction in the Sudan IV test, because the Sudan IV tests for lipids (fats), and the yolk does have some fat in it. The Sudan IV test should have not had a reaction for egg membrane or egg white. Hope that helped!
Why is the Glucose Oxidase test a more specific test for urinary glucose that Benedict's test?
The Glucose Oxidase test specifically measures the presence of glucose by detecting its oxidation reaction with glucose oxidase enzyme. This enzyme only reacts with glucose, making the test highly specific for glucose detection. On the other hand, Benedict's test, which relies on the reduction of copper ions, can give false positive results with other reducing sugars present in the urine, leading to lower specificity for glucose.
Reaction between glucose and copper oxide with lime water?
When glucose reacts with copper oxide in the presence of lime water, a redox reaction occurs where glucose is oxidized to produce carbon dioxide and water. The copper oxide is reduced to copper metal. The lime water is not directly involved in the reaction but can be used to test for the presence of carbon dioxide produced in the reaction.
Why did glucose test strip change colour after saliva was added?
The change in color of the glucose test strip after adding saliva is due to the presence of glucose in saliva. The strip contains a chemical that reacts with glucose to produce a color change, indicating the presence and concentration of glucose in the saliva sample.
Which reaction definated VP test?
The Voges-Proskauer (VP) test detects the presence of acetoin, an intermediate product in the fermentation of glucose to 2,3-butanediol. In the VP test, a culture is first grown in a medium containing glucose and then reagents are added to detect the presence of acetoin. A positive VP test is indicated by a red color development after the addition of alpha-naphthol and KOH reagents.
What substance is used as a control in the Sudan iv test?
Usually water is the best control substance for the Sudan IV test.
In glucose what is the result of fehling test?
The test is positive for reducing sugars(Glucose). Green brown ppt with traces of red was formed when Fheling's solution was added to the spatula's measure of glucose in 1cm3 of water
Who invented the Sudan iv test?
Ive searche on the Internet to find an answer to why it's called the 'Sudan' Iv test, but I haven't found a clear answer, but my guess is that the things used in the test, was first discovered in a mine in Sudan, that or the inventor was Sudanese
What is a glucose blood test for?
To test for the amount of sugars (glucose) in the blood.
What tablet is dropped into a test tube of urine to test glucose?
A glucose tablet is usually dropped into a test tube of urine to test for glucose. The tablet contains a substance that reacts with glucose in the urine, causing a color change that indicates the presence of glucose.
Importance of Sudan IV?
Like lipids, the chemical Sudan IV is not soluble in water; it is, however, soluble in lipids. Therefore to test for the presence of lipids in a solution you will use a Sudan IV Test. In this test dark red Sudan IV is added to a solution along with ethanol to dissolve any possible lipids. If lipids are present the Sudan IV will stain them reddish-orange, giving a positive test.
Why do you have to wait 10 minutes after adding an enzyme before testing for glucose?
Waiting 10 minutes after adding an enzyme before testing for glucose allows sufficient time for the enzyme to catalyze the reaction and convert the substrate (such as starch) into glucose. This incubation period ensures that the enzymatic reaction reaches a measurable level of glucose, providing accurate results in the subsequent test. Additionally, it helps to stabilize the reaction conditions, minimizing variability in the measurements.
