Genetics 4

a virus that specifically infects bacteria

Select all components of bacteriophage anatomy

• protein body

• dna content

• RNA content

• lipid body

• receptors on protein tail

the disintegration of a cell brought on by the rupture of its membrane

does a heteroduplex form in the lysogenic cycle

• yes

• no

Which stage involves integration of viral dna into host chromosome and subsequent replication of that chromosome

term for the vital dna integrated into bacterial chromosome during the lysogenic cycle

what does a plaque indicate

What happens if bacteriophage dilution is too dilute

• lawn of bacteria and no plaques

• all bacteria are lysed and plaques fuse

• even distribution of plaques form

T/F bacteriophages can reproduce outside of host cell

• true

• false

The process where a virus attached to a healthy bacterium and inserts its DNA occurs in both the lytic and lysogenic cycle

• True

• False