For protein synthesis,$P$ can directly code,while each nucleotide of $Q$ has a $2'-OH$ group in its sugar. Identify $P$ and $Q$.
$\quad\quad P\quad Q$

  • A
    $RNA\quad RNA$
  • B
    $RNA \quad DNA$
  • C
    $DNA \quad RNA$
  • D
    $DNA \quad DNA$

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$A$ genetic mutation that does not result in a phenotypic expression is called a .....

Match the process in Column-$I$ with the enzyme involved in Column-$II$.
Column-$I$Column-$II$
$(A)$ $DNA$ replication$(p)$ $RNA$ polymerase
$(B)$ Translation$(q)$ $DNA$ polymerase
$(C)$ Transcription$(r)$ Reverse transcriptase
$(D)$ Reverse transcription$(s)$ Aminoacyl synthetase

Select the code for the correct answer from the options given below.

Match the following columns:
Column-$I$Column-$II$Column-$III$
$(1) \ 1952$$(a)$ Watson and Crick$(i)$ Double helix model of $DNA$
$(2) \ 1928$$(b)$ Friedrich Miescher$(ii)$ Proof that $DNA$ is genetic material
$(3) \ 1869$$(c)$ Griffith$(iii)$ Nuclein
$(4) \ 1953$$(d)$ Hershey and Chase$(iv)$ Transforming principle

What does the figure shown above represent?

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.

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