Botany - Cell - The Unit of Life Question with Solution | TestHub

Histones are highly alkaline proteins found in nuclei of eukaryotic cell that helps in packing of DNA into structural units called nucleosomes present in only eukaryotic chromosomes, Chloroplasts are like tiny green factories within plant cells, which help in converting energy from sunlight into sugars, and they have many similarities to mitochondria (both chloroplast and mitochondria lack histone protein in their genome).