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If iodine were not available how would you determine whether starch hydrolysis had occurred?
If iodine is not available, determine whether starch hydrolysis has occurred using a refractometer or plot the yeast that forms.
Which substance would be most appropriate to determine whether a substance contains simple sugars such as glucose?
Benedict's solution
How would benedict's solution mixed with starch and saliva react?
Benedict's solution is used to test for the presence of reducing sugars. When mixed with starch and saliva, the reaction would depend on whether the starch in the solution has been broken down by the enzyme amylase present in saliva into simpler sugars. If starch is broken down into reducing sugars like maltose or glucose, then the Benedict's solution would change color from blue to green, yellow, orange, or red, indicating a positive result for reducing sugars.
What is a good conclusion of the benedicts test?
A good conclusion of the Benedict's test would be to state whether the test result was positive or negative for reducing sugars. Positive result would indicate the presence of reducing sugars, while a negative result would suggest their absence. This information can be important for further analysis or identification of certain carbohydrates.
What is the conclusion for testing leaves for reducing sugars?
The conclusion for testing leaves for reducing sugars typically indicates whether photosynthesis has occurred, as reducing sugars, such as glucose, are produced during this process. A positive test, often indicated by a color change in reagents like Benedict's solution, confirms the presence of reducing sugars, suggesting that the leaves have successfully converted light energy into chemical energy. Conversely, a negative test would suggest low or no photosynthetic activity in the leaves being tested. Overall, this process provides insight into the metabolic activity of the plant.
What are the Benedict result for albumen?
The Benedict's test for albumen (albumin) involves adding Benedict's reagent to the sample and heating it. If reducing sugars are present, the solution will change color, typically from blue to green, yellow, or brick-red, depending on the concentration of sugars. However, albumin itself does not react in this test, as it is a protein and does not contain reducing sugars. Therefore, a positive result for reducing sugars would indicate the presence of sugars, not albumin.
What is a negative reaction for Benedict's?
A negative reaction for Benedict's test would be no color change or a very faint color change after adding the Benedict's reagent to a sample containing reducing sugars. This would indicate that there is a low concentration or absence of reducing sugars in the sample.
When glycogen is added to benedicts reagent why would it remains blue?
Although glycogen is a carbohydrate, it is classified under POLYSACCHARIDES which are non-reducing sugars. Benedict's reagent is used to test for the presence of non-reducing sugars. The positive result for this is a brick-red precipitate or solution. It remained blue (which is negative) due to fact that ALL POLYSACCHARIDES (such as glycogen) ARE NON-REDUCING SUGARS > I'm a Nursing Student. >M.J.T.M.E.
Would benedicts reagent show sugar in potato juice?
Yes, Benedict's reagent can be used to detect the presence of reducing sugars, such as glucose, in a solution. If potato juice contains glucose or other reducing sugars, it will react with Benedict's reagent to form a colored precipitate, indicating the presence of sugar. This reaction is based on the reduction of copper (II) ions in the reagent to copper (I) oxide by the reducing sugars.
Will hydrolysed dextrine give positive response to Benedict test?
Yes, it should. Benedicts test will be positive for reducing sugars, and since glucose is such a sugar, and would be a product of dextrin hydrolysis, you should get a positive result with Benedicts reagent.
Who determines whether you have a disability?
Your physician would be the best person to determine whether you have a disability.
Where would you look on the food label to determine if sugar was added to product?
The carbohydrates. Carbohydrates are complex sugars.
