How many kinds of amino acids are present in the cell?
Correct answer: A. 170
- A. 170
- B. 20
- C. 25
- D. 3000
Explanation
Around 170 amino acids are found to be present in living cells and tissues. Out of these amino acids, only 20 are the components of proteins.
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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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