MCQ
The base adenine occurs in
- A$DNA$ only
- B$RNA$ only
- ✓$DNA$ and $RNA$ both
- DProtein
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$\mathop {\lim }\limits_{{X_A} \to 0} \left ( \frac{P_B^0}{X_B} \right )$ and $\mathop {\lim }\limits_{{X_B} \to 0}\left ( \frac{P_A^0}{X_A} \right )$ are
