MCQ
External ears are characteristics of
- ABirds
- ✓Mammals
- CBirds and mammals
- DMammals and reptiles
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$R-$ Tropomyosin is a rod - shaped fibrous protein. Tropomyosin forms two helical strands, which are wrapped around the $G-$ actin.
$(1)$ $TV$ $(2)$ $IRV$
$(3)$ $RV$ $(4)$ $ERV$