Who first suggested the idea of circular flow of genetic information?
- ABarry Commoner
- BNirenberg
- CMatthaei
- DPhil Lader
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Match the researchers in Column-$I$ with their work given in Column-$II$.Column-$I$ Column-$II$ $i$. Avery,McCarty,and MacLeod $a$. $DNA$ digested by DNAse inhibits transformation of $R$ cells to $S$ cells. $ii$. Griffith $b$. $DNA$ replication is semi-conservative. $iii$. Hershey and Chase $c$. Used Streptococcus pneumoniae. $iv$. Meselson and Stahl $d$. Used radioactive Sulphur and Phosphorus.
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| Column-$I$ | Column-$II$ |
| $i$. Avery,McCarty,and MacLeod | $a$. $DNA$ digested by DNAse inhibits transformation of $R$ cells to $S$ cells. |
| $ii$. Griffith | $b$. $DNA$ replication is semi-conservative. |
| $iii$. Hershey and Chase | $c$. Used Streptococcus pneumoniae. |
| $iv$. Meselson and Stahl | $d$. Used radioactive Sulphur and Phosphorus. |
By using the diagram,select the correct option for $X$ and $Y$.
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