Once integrated, phage DNA can remain in the prophage state as long as
A. the bacteria is frequently plated on new media.
B. certain phage genes are excised.
C. certain phage genes are repressed.
D. bacterial repressor genes are activated.
C
You might also like to view...
Which of the following is true of plasmodesmata?
A. They are holes in the cell wall through which the plasma membrane and endoplasmic reticulum of adjacent cells are connected. B. They are channels in the plasma membrane of plant cells made of transmembrane proteins that allow ions and small molecules to pass between adjacent cells. C. They are channels in the plasma membrane of animal cells made of transmembrane proteins that allow ions and small molecules to pass between adjacent cells. D. They provide points of structural support between adjacent plant cells. E. They provide points of structural support between adjacent animal cells.
The reduction of the microbial population to levels that are considered safe by public health standards is called ________.
A. disinfection B. antisepsis C. sterilization D. sanitization
Phytoplankton consists of tiny animals that swim through ocean water
a. true b. false
Bacterial cells pick up free pieces of DNA that were secreted you live bacteria or released from dead bacteria in their environment this process is called
A) transformation. B) transduction. C) conjugation. D) infection. E) replication