2
Given below are two statements
Statement (I) : Prostaglandins are known as eicosaniods and contain 15 carbons.
Statement (II) : Prostaglandins E and F were first isolated from the biological fluids.
In light of the above statements, choose the most appropriate answer from the options given below.
EXPLANATION
Carbohydrates & Lipids
- Statement (I) is False: Prostaglandins are eicosanoids synthesized from 20-carbon polyunsaturated fatty acids (primarily arachidonic acid, $20:4\Delta^{5,8,11,14}$), and therefore contain 20 carbon atoms arranged into a cyclopentane ring and two side chains, not 15 carbons.
- Statement (II) is True: Prostaglandin $\text{PGE}$ and $\text{PGF}$ were first isolated and purified from human seminal fluid and sheep prostate/vesicular glands by Sune Bergström and Ulf von Euler.
- Conclusion: Statement (I) is false but Statement (II) is true.
Correct option: (4) Statement (I) is false but Statement ({I) is true.
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