Which of the following histones is lysine-rich?

✅Explanation:
-Out of the listed histones, only H1 is considered "lysine-rich". It has a high percentage of lysine and arginine residues, which contribute to its positive charge and allow it to bind to the negatively charged DNA backbone.

• Here's the breakdown for the 📌📌 Other options Explanation:
-H3 and H4 are primarily arginine-rich. They are crucial for forming the core structure of the nucleosome (the building block of chromatin).
-While both H2A and H2B contain some lysine, 

🔴 Related Terminology:
-Histones: Proteins that package DNA into chromatin within eukaryotic cells.
-Lysine and Arginine: Amino acids with positively charged side chains.