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(A) The given diagram represents a bacteriophage,which is a virus that infects bacteria.It possesses a tadpole-like structure consisting of a head and

Vedclass · Accepted Answer

$A$-Head,$B$-Sheath,$C$-Collar,$D$-Tail fibres

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(A) The given diagram represents a bacteriophage,which is a virus that infects bacteria.It possesses a tadpole-like structure consisting of a head and a tail.The head contains the genetic material,typically $DNA$.The tail consists of a hollow core surrounded by a contractile tail sheath.At the base of the tail,a base plate is present to which the tail fibres are attached.Based on the provided diagram:$A$ points to the Head.$B$ points to the Sheath.$C$ points to the Collar.$D$ points to the Tail fibres.Therefore,the correct identification is $A$-Head,$B$-Sheath,$C$-Collar,$D$-Tail fibres.

The figure given below shows the structure of a bacteriophage. Identify its parts labelled as $A, B, C$ and $D$.

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