Match the enzyme in Column $I$ with its role in Column $II$:
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

Choose the correct answer from the following options.

  • A
    $1-c, 2-a, 3-d, 4-b$
  • B
    $1-c, 2-d, 3-a, 4-b$
  • C
    $1-c, 2-b, 3-d, 4-a$
  • D
    $1-a, 2-c, 3-d, 4-b$

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Given below are two statements:
Statement $I$: Transfer $\text{RNAs}$ and ribosomal $\text{RNA}$ do not interact with $\text{mRNA}$.
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In Lederberg's replica plating experiment,what should be used to obtain streptomycin-resistant strains?

Match the following columns correctly.
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

Match the following columns:
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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