MCQ
The special contractile protein actin is found in
- AThick filaments of $A$-bands
- ✓Thin filaments of $I$-bands
- CBoth thick and thin bands
- DWhole of myofibril
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| Column $I$ | Column $II$ |
| $A$. Taxon | $I$. Basic unit of classification |
| $B$. Species | $II$. A taxonomic group of any rank |
| $C$. Phylum | $III$. Division is the same category in case of plants. |
| $D$. Genus | $IV$. Identified based on a number of similar characters |
| $E$. Order | $V$. Group of related species having more character in common with others species |
$II.$ Cell division
$III.$ Cell differentiation
Among the above mentioned, what is/are the function(s) of auxin?