Biology
It is composed of two polynucleotide chains which are coiled round each other in the form of a double helix.

Fats
None of these
DNA
RNA

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Biology
Kwashiorkor disease in children is caused by

Sufficient carbohydrates and fats but deficient proteins in diet
Sufficient carbohydrates but less fats in diet
Sufficient vitamins but deficient fats in diet
Sufficient fats but deficient vitamins in diet

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