replicative cycle of a temperate phage e.g. lambda phage

Question 1

attachment is to a porin called

Answer 1

LamB

Question 2

the genome is inserted into the cell’s

Answer 2

periplasm. it is then transported to cytoplasm using host transporter. the DNA is inserted into host chromosome

Question 3

define prophage

Answer 3

although some viral proteins are synthesized, virion components are not. in this form, called a prophage. host cell not killed. viral genome replicated as part of host chromosome

Question 4

stress like UV light causes

Answer 4

phage DNA to excise. enters lytic cycle

Question 5

some temperate page carry genes that cause or increase

Answer 5

virulence of some bacteria. for e.g. phage beta encodes diphtheria toxin. causes disease