The protein required for the establishment and maintenance of lysogeny in cells infected with the temperate bacteriophage lambda is the ________.
A. lambda repressor
B. lambda cos
C. lac repressor
D. lambda Xis and Int proteins
Answer: A
You might also like to view...
What is true of most deciduous trees in the temperate zone?
a. they spend all of their energy on reproduction b. growth and reproduction occur simultaneously c. they only produce one or two offspring annually d. they produce thousands of seeds for one or two years e. they only begin to breed after reaching adulthood
Gary Hartshorn has proposed a profitable,
sustainable method of harvesting called a. riparian ranching. b. habitat fragmentation. c. strip logging. d. sustainable forestation. e. clear cutting.
Pathogen is ________
A) a name given to all bacteria B) a name given only to bacteria that cause serious illnesses in humans C) a name given to all archaea D) a name given only to helpful bacteria
The fact that in bacterial genomes it is difficult to generate inversions of segments with highly-transcribed genes suggests that
a. bacterial cells actively inhibit chromosomal rearrangements. b. the consequences of DNA polymerase encountering RNA polymerase moving the opposite direction may be lethal. c. DNA replication and transcription cannot occur simultaneously. d. bacterial genes are generally transcribed in the opposite direction of replication. e. inversion somehow affects transcription rates.