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Place the steps of generalized transduction in order of occurrence. Assume the b

ID: 195551 • Letter: P

Question

Place the steps of generalized transduction in order of occurrence. Assume the bacteriophage (phage) enters a lytic cycle. (phage) enters a lytic cycle. Phage binds to a bacterial surface. Bacterial DNA integrates into the chromosome of the new bacterial host. Phage DNA is replicated and new phage coat proteins are synthesized Bacterial DNA is enveloped by phage coat proteins. The host bacterial cell lyses. Bacterial DNA is injected by a phage into a bacterium. A phage injects viral DNA into a host bacterial cell. Bacterial DNA is degraded into small fragments.

Explanation / Answer

Ans. (i) Phage binds to a bacterial surface.

(ii) A phage injects viral DNA into a host bacterial cell.

(iii) Host DNA is hydrolyzed into pieces.

(iv) New phage coat proteins are produced and phage DNA is replicated.

(v) Bacterial DNA is enveloped by phage coat proteins.

(vi) The host bacterial cell lyses.

(vii) Bacterial DNA is injected by a phage into a bacterium.

(viii) Bacterial DNA integrates into the chromosome of the new bacterial host.