What is the job of the "additional proteins" during the unzipping process?

as resources become scarce because of population growth, the growth decreases after few years due to lack of resources and food.

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.