Biomolecules

Compare α-D glucose with β-D glucose.

α-D glucose	β-D glucose
1.It is prepared by crystallization from cold aqueous solution.	1.It is prepared by crystallisation from hot saturated aqueous solution.
2.It melts at 419 K.	2.It melts at 421 -423 K
3. Specific rotation of freshly prepared aqueous solution is 113°.	3.Specific roation of freshly prepared aqueous solution is 19°.

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What are the different types of RNA found in the cells of organisms? State the functions of each type.

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State differences between α-helix and β-pleated sheet structure.

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Name the deficiency diseases caused due to lack of the vitamin A, C, E, B₁, B₁₂ B₆and K.

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The two strands in DNA are not identical but are complimentary. Explain.

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State differences between primary and secondary structure of a protein.

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What are nucleic acids? Explain their functions in the synthesis of proteins.

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The two strands in DNA are not identical but are complimentary. Explain.

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State significance of primary and secondary structures of proteins.

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Write the important structural and functional differences between DNA and RNA.

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