CELL STRUCTURES AND FUNCTION
BIO MOLECULES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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When you take cells or tissue pieces and grind them with an acid in a mortar and pestle, all the small biomolecules dissolve in the acid. Proteins, polysaccharides and nucleic acids are insoluble in mineral acid and get precipitated. The acid soluble compounds include aminoacids, nucleosides, small sugars etc. When one adds a phosphate group to a nucleoside, one gets another acid soluble biomolecule called
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Nitrogen base
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Adenine
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Sugar phosphate
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Nucleotide
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Explanation:
Detailed explanation-1: -We can take any living tissue (a vegetable or a piece of liver, etc.) and grind it in trichloroacetic acid (Cl3CCOOH) using a mortar and a pestle.
Detailed explanation-2: -Solution: To know the chemical composition of a living tissue, the tissue is ground in trichloroacetic acid.
Detailed explanation-3: -Video Solution: For analysis of a living tissue sample, we first grind it in trichloroacetic acid (Cl 3C. COOH) using a mortar and a pestle and obtain a thick slurry.
Detailed explanation-4: -So, the correct answer is ‘Flavinoids and alkaloids’.
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