microbiology quiz 4-14-15 Flashcards
what type of mutation does not affect the DNA of bacteria
neutral mutation
what type of mutation allows bacteria to survive better and helps lead to evolution
beneficial mutation
what type of mutation is lethal to the bacteria and cause death to the bacterial cell
detrimental mutation
what are the two causes of mutations
- spontaneous
2. mutagen
what type of mutagen happens accidentally
spontaneous
what type of mutation is caused when it is exposed to something
a mutagen
what are the 3 causes of mutagens
- chemicals
- radiation
- viruses
name a form of a chemical mutagen
nicotine or THC
name a form of radiation mutagen
uv, gamma, x-rays
what is the type of mutation that 1 nucleotide is substituted for another in the gene on the sense strand during translation
point mutation
what is the name of the DNA that has no mutation
wild type DNA