Review of DNA, replication, and mitosis What do the bands represent? What enzyme unzips DNA? What are the letters of the covered nitrogenous bases, from left to right? What enzyme assembles individual nucleotides into new DNA? In replication is the leading strand being built toward or away from the transcription fork? • What is the biochemical expression for the process of constructing individual monomers into a polymer, where water is removed between each monomer? In what direction is DNA read during replication? In what direction is DNA read during replication? How does daughter DNA compare to parental DNA after replication is complete? Fill in the blank • How many chromosomes are there in every human somatic cell? How many chromosomes are there in every human sperm? What is the purpose of mitosis? How many chromatids are on a chromosome at the beginning of mitosis? How many are there on each chromosome at the end? What structure involved in mitosis is present in animal cells but not in plant cells? What % of a strand of DNA would be adenine if guanine is 20%?