| Column $I$ | Column $II$ |
| $1$. Ligase | $a$. Peptide bond formation |
| $2$. Ribozyme | $b$. Hydrolysis of lactose |
| $3$. Permease | $c$. Joining of Okazaki fragments |
| $4$. $\beta$-galactosidase | $d$. Increases permeability |
Explore More
| Column $I$ | Column $II$ |
| $(a)$ $m-RNA$ | $(i)$ Found in ribosomes |
| $(b)$ $t-RNA$ | $(ii)$ Carries information from $DNA$ to the cytoplasm for protein synthesis |
| $(c)$ $r-RNA$ | $(iii)$ Contains $75$ nucleotides |
| $(d)$ $RNA$ | $(iv)$ $A$ polynucleotide chain containing ribose sugar and uracil base,existing in three types |
| Column-$I$ | Column-$II$ |
| $(W)$ Griffith | $(1)$ $DNA$ is the genetic material |
| $(X)$ Avery,MacLeod | $(2)$ Semiconservative replication |
| $(Y)$ Meselson-Stahl | $(3)$ Transforming principle |
| $(Z)$ Hershey and Chase | $(4)$ Transformation inhibited by $DNase$ |
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