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How could you quantify the amount of glucose in a range of commercially available glucose drinks?
colorimetric analysis
What would the reaction rate do if another substance that binds to the active site of catalase was added?
If another substance binds to the active site of catalase, it could potentially inhibit or slow down the enzyme's activity. This could decrease the rate of reaction catalyzed by catalase, as the binding of the other substance may interfere with the enzyme's ability to bind with its substrate and convert it to products.
Find the Method of action of the test substance?
Could you please specify the test substance you are referring to so that I can provide you with the method of action for that particular substance?
Which test or observation can be used to show that a sample of glucose is pure?
You could test its melting point, since pure glucose has a known melting point of 146oC.
What are the differences between starch and glucose?
glucose is a type of sugar, and it is combined with starch. sugar is a category, because it could be fructose, glucose, etc.
Could food colouring added to the substance affect the density calculation of the substance?
no it could not
What is a good hypothesis for a Benedict's test using glucose?
A good hypothesis for a Benedict's test using glucose could be: If glucose is present in the solution, then the solution will turn from blue to orange-red when mixed with Benedict's reagent due to the reduction of Cu^2+ ions by the aldehyde functional group in glucose.
Does leaves help the plants to make food?
Yes, leaves take in sunlight in a process called photosynthesis. On the leaves, a substance called glucose is made and this substance helps the plant grow. So really, leaves could be described as 'chemical factories'.
How do you help a substance dissolve?
You could stir the substance
How could you quantify the amount of glucose in a range of commercially available glucose drinks?
colorimetric analysis
What color tube is drawn for glucose?
It could be either red top (to clot it) or Grey top (sodium fluoride or potassium oxalate added) which prevents RBC's from metabolising the glucose in the blood. There is also another one to separate the serum but I forgot the color. It might be "tiger top" or speckled.
What happens if too little acid is added to an alkali?
If too little acid is added to an alkali, the resulting solution may not reach the desired neutral pH level. This could lead to the solution remaining basic or alkaline.
Could a cell function normally without glucose?
no
How would the results of the starch hydrolysis change if glucose was added to the medium?
Adding glucose to the starch hydrolysis medium would provide an additional readily available source of energy for the organisms present. This could potentially increase the growth rate and metabolism of those organisms, leading to a faster breakdown of starch into glucose. As a result, the rate of starch hydrolysis may be accelerated in the presence of glucose.
What is the possessive form of the word substance?
The possessive form for the noun substance is substance's.Example: The substance's origin could not be determined.
When a substance changes from one substance to another?
The "blank form" could be "state".
What does GLUCOSE mean in a blood test?
It is the glucose level (the amount of it) in your blood. Added 2/17/11: Glucose, which can also be listed as GLU on a lab report, is a chemical name for SUGAR. The normal level of glucose / sugar in your blood should stay between 70 - 110. Blood glucose levels that stay elevated above 125 over a period of time could mean that you have a disease called diabetes.
