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 Multiple Choice QuestionsShort Answer Type

131.

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

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132.

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

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 Multiple Choice QuestionsLong Answer Type

133. Write the important structural and functional differences between DNA and RNA.
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 Multiple Choice QuestionsShort Answer Type

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134.

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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135. State significance of primary and secondary structures of proteins.
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136.

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

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 Multiple Choice QuestionsLong Answer Type

137.

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

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138.

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

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 Multiple Choice QuestionsShort Answer Type

139.

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

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140.

State differences between primary and secondary structure of a protein.

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