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Biomolecules Te...

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  • Question 1
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    Compound $$(B)$$ is:

  • Question 2
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    Directions For Questions

    $$\text{D-Glyceraldehyde} \xrightarrow[(ii)\, Ba(OH)_2+H_2SO_4]{(i)\, KCN} \text{Product (B)}$$ 
                                                                                $$\downarrow \Delta$$                                                                                                             $$\text{(D+E)}\xleftarrow{Na/Hg \ , H_3O^{+}}\text{Product (C)}$$

    $$\text{(D)}\xrightarrow[HNO_3]{[O]} \text{Dibasic acid (optically active)(F)}$$

    $$\text{(E)}\xrightarrow[HNO_3]{[O]} \text{Dibasic acid (optically inactive)(G)}$$

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    The sequence from $$(A)$$ to $$(D+E)$$ is called:

  • Question 3
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    Directions For Questions

    Amino acids contains as $${NH_2}$$ as well as COOH group. They exist as zwitter ions.Which explain their several characteristic properties, like decomposition on heating, solubility in water,larger dipole moment. Thus in solution, amino acids may exist as dipolar ion (neutral pH), cationic (in strong acidic solution), or anionic (in strongly basic solution).Amino acids undergo usual reaction of the COOH group as well as $${NH_2}$$ group.

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    Base treatment of an amino acid usually result in the conversion of the acid to a derivative via the amino carboxylate salt.The above procedure -

  • Question 4
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    The function of an enzyme is to ?

  • Question 5
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    An enzyme may be rendered inoperative by?

  • Question 6
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    Starch molecules are polymer with repeating glucose units. Select the correct statement.

  • Question 7
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    The Michaelis constant $${K _m}$$ is equal to

  • Question 8
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    Which one of the following is not true for enzymes? 

  • Question 9
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    The shape of an enzyme, and consequently its activity, can be reversibly altered from moment to moment by ?

  • Question 10
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    Enzymes are?

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