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What is True about bacteriophage is: and explain in detail?
Ans. (d) Is a virus which invades bacteria Bacteriophage are the virus that infect bacteria. They play on impoant role in transmission of genetic information between bacteria by the process of transduction. The presence of phage genome integrated with bacterial chromosome confers ceain propeies to the bacteria, this process is called phage conversion. Note: Nucleic acid of phage is surrounded by a protein coat Some phage also contains lipid Most bacteriophage possess ds DNA as genetic material In diphtheria bacillus toxin production is determined by the presence of a bacteriophage prophage beta So option 'a' is also paially correct, as option 'd' is universal for bacteriophage it is taken as correct answer