题目内容

Which statement about lytic bacteriophage is correct ?

A. It carries DNA and RNA in its head;
B. It is eukaryotic microbe;
C. Its replication will result in lysis of bacterial cells;
D. Its genome can be integrated into bacterial chromosome.

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Which statement is not right about bacteriophage infection?

A. Lytic phage cause lysis of bacteria ;
B. Temperate phage cause lysogenic conversion;
C. Virulent phage can result in new phynotype of the bacteria.
D. Lysogen harbors a peophage DNA in its chromosome.

Which statement about temperate bacteriophages is not right?

A. Lysogen is the result of temperate phage infection?
B. Some prophage can cause lysis of bacteria under certain condition.
C. They carry either DNA in head or RNA in the tail.
D. Prophage is a phage DNA integrated into bacterial chromosome

Which statement about bacteriophages is not right?

A. Viruses infect bacteria,
B. viruses infect human
C. viruses infect fungi.
D. Viruses infect spirochete,

Which of the following elements is called “jumping genes”?

A. transposons
B. Plasmid,
C. virulent phages
D. prophage

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