which is correct??

Solution:

Ans. Option 2) is correct: Filtrate: Alanine and Retentate: Palmitic acid

In the process of filtration, the substance which passes through filter paper is  known as filtrate and which is not able to pass through is known as retentate.
The commonly seen retentates include macromolecules such as nucleic acid and polysaccharides as well as lipids. 
Palmitic acid is a saturated fatty acid having molecular formula CH₃(CH₂)₁₄COOH. It is the retentate in this case. 
Whereas, alanine is the filtrate. 

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