BIO218
Question: Which test is used to distinguish simple sugar from complex sugars?
Answer: Barfoed’s reagent
Question: Reaction with Barfoed’s Reagent gives a colour.
Answer: red-brown
Question: Further purification during the isolation of RNAfrom yeast can be made by treating the preparation with .
Answer: amylase
Question: The difference between Benedict’s and BarfoedVs test is
Answer: Benedict’s test is carried out in weak alkaline medium while Barfoed’s is in acidic medium
Question: RNA differs from DNA in all of the following ways EXCEPT .
Answer: the 5\ and 3\ orientation of the polynucleotide strand
Question: RNA is sometimes the genetic material in
Answer: virus
Question: The denatured protein during RNA isolation from yeast is removed by
Answer: centrifugation
Question: Complete hydrolysis of starch is proved by positive test.
Answer: Benedict\’s
Question: Failure of pancreas to produce sufficient insulin is a condition found in
Answer: diabetics
Question: Nucleic acids can be analyzed experimentally by their .
Answer: absorption of UV light
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