What is transcription?

What is terminator? What is its significance in transcription?

Which of the following steps in transcription is catalysed by RNA polymerase?

Where do transcription and translation occur in bacteria and eukaryotes?

If the sequence of nitrogen bases of the coding strand of dNa in a transcription unit is: 5' A T G A A T G - 3'. The sequence of bases in its RNA transcript would be,

If the sequence of coding strand in transcription unit is written as follows: 5' ATGC ATGC ATGC ATGC ATGC ATGC ATGC 3' Write down the sequence of mRNA.

Information about protein synthesis is stored in the DNA. Proteins are synthesized by DNA through RNA. This is also known as the central dogma of life. The nucleotide sequences of the mRNA produced are complementary to the DNA strand that is uded as the template for synthesis. This process of synthesis of RNA from DNA is known as transcription. The code for each amino acid consists of three nucleotides (triplet codon) that are present on the mRNA. The tRNA has an anticodon sequence complementary to the cofon on the mRNA. During translation, the code on mRNA is read nad respective amino acids brought by tRNA are joined together by peptide bonds. Based on the given paragraph, answer the followig question: i. If 3'-AACGT-5' is a sequence of the template DNA strand, what would be the nucleotide sequence of the corresponding mRNA synthesized from it? ii. What is the difference in nitrogeneous bases of DNA and RNA? iii. Which enzyme woud be required for the synthesis of RNA from DNA during transcription? iv. How many amino acids can the following mRNA sequence code for ? 5'-UUCAGCCGUGUCAUU-3' v. What is the function of mRNA in translation?

What is promoter in a transcription unit? Where is it located in DNA?

Write a note an transcription.

Give an account of post transcriptional modifications of a eukaryotic mRNA.

The promoter site and the terminator site for transcription are located are: