Question

Lysogenic bacteriophages contribute to bacterial virulence because bacteriophages: Select one: a. produce toxins. O b. carry plasmids. c. kill human cells. O d. give new gene sequences to the host bacteria. e. kill the bacteria, causing release of endotoxins.

Answer 1

1. Option d is correct.
lysogenic bacteriophages are the bacterial virus which insert their genetic material into the host bacterial chromosome. They don’t cause lysis of bacterial cell. They keep on replicating inside the bacterial cell.

2. option d is correct.
HEPA filter means High Efficiency Particulate Air. It filters out harmful particulates down to 0.3 micrometers. Particles below this size can easily pass through this filter.