Entomology is the branch of zoology that is responsible for the study of insects.
The entomologist is responsible for studying everything that is related to insects. Its morphology, biology, physiology and biochemistry. Also the interaction they present in their respective habitat, and their taxonomic classification.
The taxonomic classification allows to elaborate the tree of life. Where we can observe how the different insects evolved.
Enzyme responsible for replacing RNA primers with DNA is a type of: DNA ligase. The enzyme responsible for proofreading a growing DNA strand and for replacing mismatched nucleotides is:helicase.