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Biomolecules

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Biology

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Biology

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12
What are macromolecules ? Give examples.

Macromolecules are molecules that have a molecular weight in the range of ten thousand and above. They are usually formed by polymerisation of small molecules such as sugars, amino acids and nucleotides. Examples proteins, polysaccharides and nucleic acids.
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Name one monosaccharide which provides energy ?

Glucose
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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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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 percentage of nucleic acids in cells ?

5 - 7 percent
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