Polytene Chromosomes of D. melanogaster

Electron Micrograph of a Single Chromatid of a Mitotic Chromosome

Electron Micrographs of Chromatin Strands Before and After Treatment

Micrococcal Nuclease Digestion of Chromatin

Sedimentation of Nucleosomes

Properties of Histones

Histones Forming the Nucleosome

Formation of Nucleosomes

Two Models for Packing Nucleosomes into 30nm Fiber

Hypothetical Model of Packaging DNA into Chromosomes

Histone Acetylation and DEACETYLATION

Histone Acetylation and Histone Structure

Number of Nucleotide Pairs Per Haploid Genome of Different Organisms

Integration:

Renaturation of DNA is a Second Order Reaction

Reassociation Kinetics of Different DNAs

Reassociation Kinetics of Eukaryotic DNA

Sequence of Telomeric Ends of Different Organisms