Explain the following terms:
$1.$ Leading strand - Lagging strand
$2.$ $t-RNA$ - $m-RNA$
$3.$ Monocistronic - Polycistronic

(N/A) Leading strand: During $DNA$ replication,the strand synthesized continuously in the $5^{\prime} \rightarrow 3^{\prime}$ direction on the template strand with $3^{\prime} \rightarrow 5^{\prime}$ polarity is called the leading strand.
Lagging strand: The strand synthesized discontinuously in the form of short fragments (Okazaki fragments) in the $5^{\prime} \rightarrow 3^{\prime}$ direction is called the lagging strand.
$t-RNA$: It acts as an adapter molecule that carries specific amino acids to the ribosome during protein synthesis.
$m-RNA$: It carries the genetic information from $DNA$ to the ribosome for protein synthesis.
Monocistronic: $A$ structural gene that codes for a single polypeptide chain,typically found in eukaryotes.
Polycistronic: $A$ structural gene that codes for multiple polypeptide chains,typically found in prokaryotes.