A) translation
B) replication
C) transduction
D) transcription
Correct Answer: B
Solution :
DNA multiplication or duplication of DNA takes place by replication. It takes place during S-phase of interphase during cell-cycle. DNA replication is semi-conservative was strongly evidenced by Mathew Meselson and Franklin Stahl in 1958 in E. coli. Transcription is the mode by which DNA passes its genetic information to m-RNA. It is the first step in protein synthesis which takes place in nucleus of eukaryotic cells. Translation is the synthesis of a chain of polypeptide by m-RNA. It is the process when protein synthesis takes place at the site of ribosomes. It involves 3 steps initiation, elongation, termination. Transduction is the transfer of genes from one bacterial cell to another by means of a virus. Transduction was discovered byZinder and Lederberg in 1952.
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