The tertiary structure of proteins arise due to ?

Side Chain or R group interactions

Explanation:

Tertiary structures of proteins is highly influenced by the interaction between the R-groups of amino acids which may form hydrogen bond, convalent bonds, london dispersion forces etc) to give the overall three-dimensional structure of a polypeptide

the answer is

c. parental

the answer is c most of the fortnite players usually buy v bucks to get the battle pass and other cosmetics but some players who are referred to as "no skins" don't   buy skins and are usually noobs.