Biology
Grade-7
Easy
Question
___ are made up of carbon, hydrogen, and nitrogen.
- Calcium
- Lipids
- Proteins
- None of the above
Hint:
Amino acids for the building blocks of these complex molecules.
The correct answer is: Proteins
- Proteins or polypeptides contain carbon, hydrogen, and nitrogen atoms
- Besides oxygen and sulfur atoms are also found in amino acids
- Proteins are made up of amino acids
- Proteins play a variety of role in the living systems like providing immunity, structural support, transportation and storage and many more
- Amino acids are classified into essential and nonessential amino acids
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