McqMate
| Q. |
What ‘A’ and ‘B’ indicates in the given structure? |
| A. | A= CH2, B= N |
| B. | A= (>C=0), B= NH |
| C. | A= NH, B= NH |
| D. | A=NH2, B=NH |
| Answer» D. A=NH2, B=NH | |
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