What is the backbone of the dna chain composed of

Which chemical equation is unbalanced? which chemical equation is unbalanced

Which example would the nurse consider to be a part of systems thinking theory?

In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna.b) they study alleles that contain genes, which are chromosomes.c) they study chromosomes that contain genes, which are dna segments.