MCQ
Axial skeleton is made up of
- ASkull only
- BSternum only
- CComplete vertebral column
- ✓All of the above
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$I.$ Sacral
$II.$ Coccygeal
$III.$ Thoracic
$IV.$ Cervical
$V.$ Lumber
$I.$ Each actin (thin filament) is made up of $2 \mathrm{~F}$ (filamentous) actins
$II.$ $F-$actin is the polymer of G (globular) actin
$III.$ $2 \mathrm{~F}=$ actins are twisted into a helix
$IV.$ Two strands of tropomyosin (protein) lies in the grooves of $F-$actin
The correct option is