Protein expression refers to the way in which proteins are synthesized, modified and regulated in living organisms.
Hope this helps :D
I disagree it should be A
Answer:
Sewage treatment generally involves three stages, called primary, secondary and tertiary treatment. Primary treatment consists of temporarily holding the sewage in a quiescent basin where heavy solids can settle to the bottom while oil, grease and lighter solids float to the surface.
Explanation:
Hope that helps:)
Craftsmanship is not part of mass production.
