In Friedel-Crafts alkylation of aniline, one gets

Given below are two statements : One is labelled as Assertion A and the other is labelled as Reason R.

Assertion A : Dacron is an example of polyester polymer.

Reason R : Dacron is made up of ethylene glycol and terephthalic acid monomers.

In the light of the above statements, choose the most appropriate answer from the options given below.

The structure of protein that is unaffected by heating is

The mixture of chloroxylenol and terpineol is an example of