Complete the flow chart on central dogma.
Correct Answer :
(a)-Replication; (b)-Transcription; (c)-Translation; (d)-Protein
Solution :
The correct option is:
(a)-Replication; (b)-Transcription; (c)-Translation; (d)-Protein
Step-by-step Explanation:
The Central Dogma of molecular biology, proposed by Francis Crick in 1958, describes the two-step flow of genetic information from DNA to functional proteins.
1. (a) Replication: The flow chart begins with a self-pointing arrow at DNA, representing DNA copying itself. This process of creating an identical copy of double-stranded DNA from an existing template is known as Replication.
2. (b) Transcription: The next step shows information flowing from DNA to mRNA. The process by which the genetic code in DNA is copied into a complementary RNA sequence is called Transcription.
3. (c) Translation: Genetic information then flows from mRNA to form a polypeptide chain. The process where the genetic code carried by mRNA is decoded to assemble a sequence of amino acids is called Translation.
4. (d) Protein: The final product of translation is a polypeptide chain that folds into a functional macromolecule. Hence, the final destination of this information flow is a Protein.
By matching the steps in the flow chart:
- (a) corresponds to Replication
- (b) corresponds to Transcription
- (c) corresponds to Translation
- (d) corresponds to Protein
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