Dna is made up of two chains of nucleotides. which type of bonds hold the chains together?

Consider the skeleton. which skeletal system is represented by the shaded portion of the skeleton? spongy skeleton compact skeleton axial skeleton appendicular skeleton

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.

Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass