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ENTRANCE TEST – 2011 Multiple Questions and Answers.
| 37. | Consider the following reaction: CH3COOH + Mg (metal) ? What product will form? | ||
| A. | Magnesium formate | ||
| B. | Magnesium acetate | ||
| C. | Magnesium ion | ||
| D. | Carboxylate ion | ||
| 38. | The ―NH―CO is called: | ||
| A. | Amide group | ||
| B. | Amino group | ||
| C. | Protein linkage | ||
| D. | Peptide linkage | ||
| 39. | Which of the following has an amino R-group? | ||
| A. | Lysine | ||
| B. | Proline | ||
| C. | Valine | ||
| D. | Alanine | ||
| 40. | At intermediate value of pH, amino acids form Zwitter ions containing: | ||
| A. | ―N+H3 and COO― | ||
| B. | ―NH3 and COO― | ||
| C. | ―N+H3 and COOH | ||
| D. | ―NH3 and COOH | ||
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