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Class 10 Class 12
All proteins are made up of same amino acids, explain how human protein may be different from those of a dog.

All proteins are made up of same amino acids yet they are different because each protein has its own specific linear sequence of amino acids. It is coded by a sequence of nucleotides in DNA. Large number of amino acids and their innumerable combinations allow synthesis of unending forms of proteins. Thus, variety of proteins present in man are different from that in dog.
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What is the percentage of nucleic acids in cells ?

5 - 7 percent
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Name one monosaccharide which provides energy ?

Glucose
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What are major elements of a cell ?

Carbon, hydrogen, oxygen and nitrogen are the major elements of a cell.
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What is the general formula of carbohydrates ?

The carbohydrate has a general formula - CnH2nOn Or (CH2O)n.
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Give the names of two monosaccharide sugars.

Fructose and glucose are two monosaccharides
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