About 98 percent of the mass of every living organism is composed of just six elements including carbon, hydrogen, nitrogen, oxygen, and:
Correct answer: A. Calcium and Phosphorus
- A. Calcium and Phosphorus
- B. Phosphorus and Sulphur
- C. Sulphur and Magnesium
- D. Magnesium and Sodium
Explanation
98% body mass of a living organism is composed of C H O N P ANd S according to New sindh text book
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About Biological Molecules
The chapter covers water's polarity and biological roles, carbohydrates, lipids, proteins and nucleic acids, including their monomers, bonds, structures and functions. It also distinguishes RNA from DNA and explains conjugated molecules such as glycoproteins, glycolipids and nucleoproteins, which combine organic molecules with a non-protein component.
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