It's called a <span>trephination!!
- Good luck</span>
I am thinking D. But I am not sure that it is the answer.
Access Control Points
They are restrictions points that enforce regulations and guidelines on decontamination when exiting the sites and ensuring adherence safety standards when entering the site. The regulation are usually, as standard practice, conspicuously posted at the Access Control Points.
Access Control Points are usually set up at the periphery of the Exclusion Zones, and ideally, there should be a separate entrance and exit Control Access Point.
Amino acid itself a Monomer of Protein
Hope this helps!
