MCQ
Identify $X$ figure.


- ASecondary structure of protein
- BPrimary structure of protein
- ✓Tertiary structure of protein
- DQuaternary

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$\begin{array}{|p{0.3\linewidth}|p{0.5\linewidth}|} \hline Column\,\,-I & Column\,\,-II \\ \hline A.\,\,Schleiden & 1.\,\,Nucleus \\ \hline B.\,\,Schwann & 2.\,\,German\,\,botanist \\ \hline C.\,\,Robert\,\,brown & 3.\,\,Living\,\,cell \\ \hline D.\,\,Leuwen\,\,hoke & 4.\,\,Britain\,\,Zoologist \\ \hline \end{array}$
| Column $-I$ (Biomolecule) | Column $-II$ (Characteristics) |
| $(A)\; ATP$ | $(p)$ One or more sugar monomers |
| $(B)\; DNA$ | $(q)$ The main source of energy |
| $(C)$ Protein | $(r)$ Two strands of nucleotides |
| $(D)$ Carbohydrate | $(s)$ Long sequence of amino acids |
