Give the appropriate biological or technical term for the following:
The complex consisting of a DNA strand and a core of histones.
The complex consisting of a DNA strand and a core of histones is called nucleosome.
Name the following : (a) The repeating components of each DNA strand lengthwise. (b) The complex structure consisting of DNA strand and a core of histones. (c) The type of bond which joins the complementary nitrogenous bases. (d) The three components of a nucleotide.