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Biomolecules
What is the difference between a nucleoside and a nucleotide?
Nucleosides:
1. It contains only two basic components of nucleic acids, i.e., a pentose sugar and a nitrogenous base.
2. During their formation, 1-position of the pyrimi-dine or 9-position of the purine is linked to C, of the sugar (ribose or deoxyribose) by a β-linkage.
Nucleotides:
1. It contains all the three basic components of nucleic acids, i.e., a phosphoric acid group, a pentose sugar and a nitrogenous base.
2. These are formed by esterification of one of the hydroxyl groups (usually C5—OH of the sugar part) of the nucleoside with phosphoric acid.
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What are the expected products of hydrolysed of lactose?
How do you explain the absence of aldehyde group in the penta acetate of D-glucose?
The melting points and solubility of water of amino acids are generally higher than that of the corresponding halo acids. Explain.
Where does the water present in the egg go after the boiling the egg?
What products would be formed when a nucleotide from DNA containing thymine is hydrolysed?
When RNA is hydrolysed, there is no relationship among the quantities of different bases obtained. What does this fact suggest about the structure of RNA?
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