<prompt> HPV causes which change in cervical epitheliumInduction of apoptosisInduction of necrosisImmortalization of epithelial cellsBy stimulating telomerase  <response>: Ans. is c i.e., Immortalization of epithelial cells o HPV selectively infects the epithelium of skin and mucous membrane and may immortalize the keratinocytes leading either asymptomatic infection, or warts or neoplasia.o Products of E-genes E6, E7 are related to immortalization or malignant transformation of keratinocytes by interfering with p53 and Rb genes, respectively. 