MCQ
$\text{PTH}$ is called as hypercalcemic hormone because it leads to the:
- AAbsorption of $\ce{CaCO_3}$ from the digested food.
- BReabsorption of water from renal tubules.
- ✓Increasing blood calcium levels.
- DMaintenance ion balance in blood.
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$R-$ Tropomyosin is a rod - shaped fibrous protein. Tropomyosin forms two helical strands, which are wrapped around the $G-$ actin.