Preload Quiz 8

Question 1

two main bacteriophage replication cycles

Answer 1

lyric and lysogenic

Question 2

lysogenic

Answer 2

integrate into host genome as a propane
temporarily or permanently and replicate as bacteria cell replicates
doesn’t kill cell

Question 3

lytic

Answer 3

bacteriophage injects its genome into host cell and induces replication of many copies of phage particle
phage particles released from host and cell lysis

Question 4

prophage

Answer 4

a bacteriophage whose genome is injected into host DNA

Question 5

how do bacteriophages infect their targets

Answer 5

through interactions with molecules on bacterial cell surface

Question 6

what is bacteriophage T4R host

Answer 6

E. coli B

Question 7

what is bacteriophage x174 host

Answer 7

e. coli C

Question 8

what does a plaque assay fetermine

Answer 8

efficiency and nature of phage replication in a particular host

Question 9

what is a plaque assay

Answer 9

virus particles and host cells are mixed together with soft agar and poured into agar plate

Question 10

plaque

Answer 10

clear area produced by a virus particle that causes a productive infection

Question 11

lawn

Answer 11

confluent growth

Question 12

plaque forming units

Answer 12

phage numbers obtained from a plaque assay