$A$ mutant micro-organism unable to synthesize a compound required for its growth but able to grow if the compound is provided,is known as

$DNA$ strand is directly involved in the synthesis of all the following except:

How many of the following statements are correct?
$I - RNA$ is formed from $DNA$ by the process of transcription.
$II - DNA$ is more stable than $RNA$.
$III - RNA$ acts as a catalyst (enzyme) in some biochemical reactions.
$IV - DNA$ is resistant to mutations due to its double-helical structure and the presence of complementary strands that allow for repair mechanisms.

Given below are two statements.
Statement $I$: Heterocatalytic function of $DNA$ includes transcription and translation.
Statement $II$: $A$ unique feature of $DNA$ molecule which helps in its semiconservative duplication is the complementary nature of two strands.
In the light of the above statements,choose the correct answer from the options given below.

$A$ : $5S$ $rRNA$ and surrounding protein complex provides binding site of $tRNA$.
$R$ : $tRNA$ is soluble $RNA$ with unusual bases.

Identify the structure shown in the figure.