MCQ
Which ion binds with troponin during muscle contraction?
- A$\mathrm{HCO}_{3}^{-}$
- ✓$\mathrm{Ca}^{2+}$
- C$\mathrm{Cl}^{-}$
- D$\mathrm{Na}^{+}$
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| (A) Leydig cells | (i) Placenta |
| (B) Bulbo-urethral gland | (ii) Bulbo-vestibular gland |
| (C) Bartholin gland | (iii) Cowper's gland |
| (D) hCG | (iv) ICSH |