What are enzymes?
Enzymes are proteins that catalyze biological reaction. They are very specific in nature and catalyze only a particular reaction for a particular substrate. Enzymes are usually named after a particular. For example, the enzyme used to catalyses the hydrolysis of maltose in glucose is named as maltase. 
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?
Give one example each of (i) Reducing sugar and (ii) Non-reducing sugar.
Name the anomers of glucose.
State two characteristics of monosaccharides.
Name a carbohydrate containing five carbon atoms per molecule.
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