I would say
a. biological pest control
biological pest control is when other plants or animals are used to control pests. There are no chemicals used only the natural roles of the environment.
Hope this helped!
D. DNA replication
DNA always forms proteins
I’d say it’s the first one and it’s not even the first one probably than the last one
Alternative Splicing is a regulated process during gene expression that results in a single gene coding for multiple proteins.
