The "backbone", or sides, of the dna molecule are made ofa. cytosine. b.nitrogenous bases. c.hydrogen bonding. d.sugar and phosphate.

What abo controlling alleles could kim give her child

Actinobacteria sp. are fermenting organisms (which do you use oxygen to breathe) referred to as chemoorganohetereotrophs this means they break down organic material and convert it to inorganic material. which part of the carbon cycle does this describe

What causes darkening of the skin as melanin production increases