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jackphilander2285
28.07.2019 •
Biology
One key difference between carbohydrates and proteins is: the carbohydrate molecule lacks nitrogen. the protein molecule contains more stored energy. the carbohydrate molecule is in butter. only the protein molecule contains iron. only the carbohydrate molecule can form long chains.
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Ответ:
Option A, the carbohydrate molecule lacks nitrogen
Explanation:
Carbohydrates are group of organic compounds that contain three essential elements -
a) carbon
b) hydrogen
c) oxygen
While a protein is polymer of amino acids. An amino acid consists of following essential components
a) An amino group (−NH2) that has nitrogen molecule
b) An acidic carboxyl group (−COOH)
c) An organic R group that primarily has CHO elements
Hence option A is correct
Ответ:
A
Explanation: