Match the following:
| 1. Histones | a) Lysine and Arginine |
| 2. Euchromatin | b) Transcriptionally active |
| 3. Nucleosome | c) Dense chromatin, inactive |
| 4. Heterochromatin | d) Beads-on-string structure |
1
1-a, 2-b, 3-d, 4-c
2
1-b, 2-c, 3-d, 4-a
3
1-c, 2-d, 3-b, 4-a
4
1-d, 2-a, 3-b,4-c