Multiple Choice
What is the cause for cloudy centers appearing in lambda plaques on an Escherichia coli confluent plate?
A) A low multiplicity of infection prevents the appearance of large numbers of lysed cells.
B) Cell debris forms a physical barrier between uninfected cells and virions.
C) Compounds in agar or nutrient medium protect bacterial cells from infection.
D) A large number of infected cells become resistant to bacteriophage infection.
E) Some infected cells become lysogens and start growing up where the infection began.
Correct Answer:

Verified
Correct Answer:
Verified
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