About $98$ percent of the mass of every living organism is composed of just six elements including carbon,hydrogen,nitrogen,oxygen and

  • A
    sulphur and magnesium
  • B
    magnesium and sodium
  • C
    calcium and phosphorus
  • D
    phosphorus and sulphur

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Approximately $93$% of cellular matter is composed of which elements?

Inorganic compounds are found in $..........$.

Molecules are formed by the combination of which of the following?

In which group are the components present in the cytoplasm separated?

The smallest unit of an element that retains all the properties of the element is:

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