MCQ
$M-$line passes through the centre of
- A$Z-disc$
- B$I-band$
- C$HMM$
- ✓$H-zone$
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$I.$ Conversion of fibrinogen to fibrin
$II.$ Formation of clot
$III.$ Thromboplastin formation
$IV.$ Conversion of prothrombin to thrombin
Choose the correct option
$(I)$. Open $N a^{+i i}$ channel
$(II)$. Closed $N a^{+i i}$ channel
$(III)$. Closed $K^{+i i}$ channel
$(IV)$. Open $K^{+i i}$ channel