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Q.
Give below is the diagram of a bacteriophage. In which one of the options all the four parts $A, B, C$ and $D$ are correct?
AIPMTAIPMT 2010Biological Classification
Solution:
Bacteriophages are virus that infect bacteria. Phage literally means eaters of bacteria. The $T_4$ phage that infects the bacterium Escherichia coli consists of a polyhedral head attached to a helical tail, a shape commonly found in bacteriophages. Many phages have tail fibers that attach to the host cell.