chapter 12 transcription

Question 1

dsDNA (x/- virus) : 2 examples + step to create mRNA+

Answer 1

phage T4 and hepatitis B

- transcription of the minust strand

Question 2

ssDNA (+) virus: 2 examples + step

Answer 2

phae 174, parvovirus

1. transcription of the minus strand
2. dsDNA intermediate (replicative form)

Question 3

dsRNA (+/-) virus

Answer 3

rotavirus and phage phi6

transcription of the minus strand

Question 4

ssRNA (+) virus

Answer 4

poliovirus and phage MS2

- directly used as mRNA

Question 5

ssRNA (-) virus

Answer 5

influenza and rabbies

- transcribed of the minus strand

Question 6

ssRNA (+) retrovirus

Answer 6

HIV and mouse leukemia virus

1. reverse transcriptase to form dsDNA
2. transcription of the minus strand