histone protein

thymine h1 h4 h3 endoplasmic nucleotide telomere h2a h2b tail histone proteins base pair presentation peptide polypeptide amino laboratory polymerase icon genetic code deoxyribonucleic acid antiparallel information dna packaging macromolecule concept chemistry eukaryotic genes molecule guanine cytosine chromatid chromatids centromere adenine education sequence microscopic diagram chromosomes biological biochemistry chromatin nucleus genetics cell evolution chromosome double gene biology protein helix biotechnology genome structure medicine health spiral human vector molecular scientific anatomy nucleosome science model research medical infographic