What do the dotted lines, indicated with the arrow, represent in the DNA model above? The junctions of codons between individual strands
The bond between deoxyribose molecules and phosphates
The monomers that make up a polymer
The hydrogen bond between complimentary nucleotides

The hydrogen bond between complimentary nucleotides.

metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). the change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. i hoped i !