Question

Complete the flow chart on central dogma.

• (a) - Replication; (b) -Transcription; (c) - Transduction; (d) - Protein
• (a) -Translation; (b) - Replication; (c) -Transcription; (d) -Transduction
• (a) - Replication; (b) - Transcription; (c) - Translation; (d) - Protein
• (a) - Transduction; (b) - Translation; (c) - Replication; (d) - Protein

Answer 1

The Correct Option is C

The central dogma of molecular biology explains the flow of genetic information within a biological system. It is a framework for understanding the transfer of sequence information between biopolymers in the cells. The flow typically follows this sequence:

• a) Replication: This is the process by which DNA is copied to produce identical DNA molecules. It ensures that the same genetic information is passed on through generations.
• b) Transcription: This is the process in which a particular segment of DNA is converted into RNA, especially messenger RNA (mRNA), which then serves as a template for protein synthesis.
• c) Translation: In this step, the mRNA is read by ribosomes to synthesize proteins. Transfer RNA (tRNA) brings the requisite amino acids in sequence to form a polypeptide chain.
• d) Protein: This is the final product of gene expression, performing various functions like catalyzing reactions, structural roles, and signaling.

Now, let's match the options provided with the correct steps of the central dogma:

The correct answer is:

• (a) - Replication
• (b) - Transcription
• (c) - Translation
• (d) - Protein

The other options are incorrect due to the inclusion of unrelated terms like Transduction, which is not a part of the central dogma. Transduction is a process related to gene transfer in bacterial cells, usually involving viruses, and is not part of the typical flow of genetic information depicted in the central dogma of molecular biology.