What is reverse transcription?

Both strands of DNA are not copied during transcription. Give reason.

Explain the nature of eukaryotic ribosome.

Explain the components of operon.

Following is a DNA sequence representing a part of gene TAC TCG CCC TAT UAA CCC AAA ACC TCT using this derive
(a) The RNA transcript
(b) The spliced mRNA (consider all the codons with two Aderine bases are introns)
(c) The total number of amino acids coded by the mRNA