What is the combined process that converts genetic information to a functional protein?

What is the combined process that converts genetic information to a functional protein?

• A. Transcription and Translation
• B. Translation only
• C. Transcription only
• D. Replication

Answer: (A)

Genetic information flow from DNA to functional protein happens in two steps: transcription followed by translation. First, DNA is transcribed into messenger RNA by RNA polymerase, copying the gene’s sequence into an RNA message. Then ribosomes read that mRNA and translate its codons into a specific sequence of amino acids, producing a polypeptide that folds into a functional protein. This two-step path—DNA to RNA to protein—explains how information in genes becomes active proteins. Replication isn’t involved in making proteins; it copies DNA for cell division. Translation alone requires an existing mRNA molecule, while transcription alone yields RNA, not a protein. Hence, the combined process is transcription and translation.

Genetic information flow from DNA to functional protein happens in two steps: transcription followed by translation. First, DNA is transcribed into messenger RNA by RNA polymerase, copying the gene’s sequence into an RNA message. Then ribosomes read that mRNA and translate its codons into a specific sequence of amino acids, producing a polypeptide that folds into a functional protein. This two-step path—DNA to RNA to protein—explains how information in genes becomes active proteins.

Replication isn’t involved in making proteins; it copies DNA for cell division. Translation alone requires an existing mRNA molecule, while transcription alone yields RNA, not a protein. Hence, the combined process is transcription and translation.