MCQ
Which one of the following is widely distributed in a cell
- A$DNA$
- ✓$RNA$
- CChloroplast
- DChromoplast
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$I$.Calcitonin regulates the metabolism of calcium. $II$. Oxytocin stimulates contraction of uterine muscles during birth. $III$. Grave's disease is caused by malfunctioning of adrenal gland. $IV$. $ADH$ stimulates absorption of water and increase the urine production.