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Class 10 Class 12
Differentiate between RNA and DNA.

 RNA DNA 1. RNA is genetic material only in some viruses.2. It has ribose sugar in it. 3. The nitrogenous bases present in it are adenine , guanine, cytosine and uracil4. It is less stable. 1. It is genetic material of all organisms having cellular structure. 2. It has deoxyribose sugar in it. 3. The nitrogenous bases present in it are adenine, guanine, cytosine and thymine. 4. It is more stable.
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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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Give the names of two monosaccharide sugars.

Fructose and glucose are two monosaccharides
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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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What are major elements of a cell ?

Carbon, hydrogen, oxygen and nitrogen are the major elements of a cell.
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