Tag Archives: plastids

Pre-Cambrian Life: Appearance of Eukaryotes

Eukaryotes (“true nucleus”) have cells with membrane-bound nuclei containing chromosomes composed of chromatin. Constituents of eukaryotic chromatin include proteins called histones and RNA, in addition to DNA. Some nonhistone proteins are found associated with both prokaryotic DNA and eukaryotic chromosomes. Eukaryotes are generally larger than prokaryotes and contain much more …

Read More »