Question
How does colour appear in coordination compounds? Its explanation is based on crystal field theory.
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(c) Name the sugar present in milk. How many monosaccharide units are present in it? What are such oligosaccharides called?
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(a) Aldopentoses named ribose and 2-deoxyribose are found in nucleic acids. What is their relative configuration?
(b) What are the three components of nucleic acids?
(c) Name the sugar present in milk. How many monosaccharide units are present in it? What are such oligosaccharides called?
(d) Is nucleotide and nucleoside the same? What are their roles?
(e) Why cannot vitamin C be stored in our body?
(f) During curdling of milk, what happens to sugar present in it?
(g) Account for the following:
a. There are 5-OH groups in glucose.
b. Glucose is a reducing sugar
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Answer the following question:
The graphical representation of vapour pressures of two component system as a function of composition is given alongside. By graphic inspection, answer the following questions:
→The graphical representation of vapour pressures of two component system as a function of composition is given alongside. By graphic inspection, answer the following questions:
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→(a) What type of protein is present in keratin?
(b) Write the reactions showing the presence of following in the open structure of glucose:
i. an aldehyde group
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(b) Write the reactions showing the presence of following in the open structure of glucose:
i. an aldehyde group
ii. a primary alcohol
(c) What products would be formed when a nucleotide from DNA containing thymine is hydrolysed?
(d) Amino acids show amphoteric behaviour. Why?
(e) What are a Amino Acids? Give examples.
(f) a. How can you explain the absence of an aldehyde group in the pentaacetate of D-glucose?
b. Name the bases present in RNA. Which one of these is not present in DNA?
(g) Which monosaccharide units are present in starch, cellulose and glycogen and which linkages link these units?