Question
O f. in bottles with safety caps Question 7 Not yet answered Scored out of 1.00 P Flag question Light of ultraviolet wavelengths may cause you to develop tanned skin, but it also Select one: O a. causes decreased blood pressure. O b. causes bacteria on the skin to rapidly expand their populations. O c. causes a rapid expansion of viruses on skin cells O d. damages your DNA, as well as that of microbes, potentially causing lethal mutations O e. denatures the proteins of the bacteria on your skin O causes increased blood pressure Question 8 How does temperature affect microbial growth? Not yet answered 7:33 PM 41) 7/30/2017 ^
Explanation / Answer
Ans 7.d. damages your DNA , as well as that of microbes , potentially causing lethal mutations.
UV light kills cells by damaging their DNA . It induces reaction between thymine molecules forming a stable dimer . This results in the creation of cancerous or precancerous cells from the healthy cells.