Name the following-
1)The organ concerned with maintaining water balance_____.
2) The repeating components of each DNA strand lengthwise_____.
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.
What's the reapeating components of each DNA strand lengthwise?