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Multiple Choice
Why is phosphorus an important biological molecule in organic chemistry?
A
It is the primary element in amino acids.
B
It is essential for the structure of lipids.
C
It is a key component of nucleic acids like DNA and RNA.
D
It forms the backbone of carbohydrates.
Verified step by step guidance
1
Phosphorus is a crucial element in organic chemistry, particularly in biological molecules, due to its role in forming phosphodiester bonds.
These phosphodiester bonds are essential for the structure of nucleic acids, such as DNA and RNA, which are vital for genetic information storage and transfer.
In DNA and RNA, phosphorus is part of the phosphate group that links the sugar molecules in the backbone of these nucleic acids, providing structural integrity.
Phosphorus is not the primary element in amino acids; amino acids are primarily composed of carbon, hydrogen, oxygen, and nitrogen.
While phosphorus is important in lipids, particularly phospholipids, its most significant role in organic chemistry is as a key component of nucleic acids.