Which macromolecules have a basic unit that is composed of phosphate, a sugar ring, and one of five different base?

Which of the following is an example of this type of co-evolution

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.

What is the difference between an igneous, sedimentary and metamorphic rock