Where do transcription and translation occur inside a living cell? Briefly describe the three steps involved in the process of translation.

Briefly describe the steps involved in the origin of life on the earth.

Briefly describe various steps involved in plant breeding.

Briefly describe the three essential parts of a cell.

Explain the structure of t-RNA with the help of a diagram. Describe its role in the process of translation.

How do m-RNA, t-RNA and ribosomes help in the process of translation ?

(a) Give reason for - (i) Both strands of DNA are not copied during transcription. (ii) Transcription and translation in bacteria can be coupled. (b) Differentiate between the process of transcription in prokaryotes and eukaryotes

Explain the structure of RNA with the help of a well labelled diagram. Describe its role in the process of translation.

The Following statements describe some of the steps of translation ,br (a)For chain elongation, the presence of catalyst enhances the rate of peptide bond formation.br (b) The process of translation of mRNA to protein begins when both the subunits of ribosome encounter and associate with mRNA.br (c) During chain elongation, the ribosomes moves from codon to codon along the mRNA. The correct statements are

What is alcoholic fermentation? Describe briefly only the important steps involved.

Silencing a specific mRNA in order to prevent its translation is known to be a cell defense mechanism . What is the name of this process useful in making transgenic organisms ?