What functional group was mainly responsible for the damage of mucous membranes of the mouth and gut in patients that used salicylic acid as an antipyretic and analgesic drug? a) phenol b) alkane c) benzene d) ester

The correct answer is A) phenol due to the presence of OH group stimulate excessive secretion of HCl in stomach which help in damage  of mucous membrane in gut 

2positives of biotechnology: 1. plants have become more resistant to viruses and other communicable pests.2. with the of biotechnology, we have been able to produce better tasting fruits as well as vegetables.2 negatives of biotechnology: 1. biotechnology poses a number of environmental threats. genetically modifies crops often infect monarch butterflies and other insect species.2. viruses could combine with crops.