MCQ
Which of the following contains keratin?
- AConnective tissue
- ✓Both (A) and (B)
- CHair
- DSkin
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| X=x | 1 | 2 | 3 | 4 |
| P(X=x) | $\frac{1}{6}$ | $\frac{1}{3}$ | $\frac{1}{3}$ | $\frac{1}{6}$ |
