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Question

Complete the flow chart on central dogma.

(a)-DNA(b)mRNA(c)(d)


  1. (a)-Replication; (b)-Transcription; (c)-Transduction; (d)-Protein

  2. (a)-Translation; (b)-Replication; (c)-Transcription;(d)-Transduction

  3. (a)-Transduction; (b)-Translation; (c)-Replication; (d)-Protein

  4. (a)-Replication; (b)-Transcription; (c)-Translation; (d)-Protein

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Solution

The correct option is D

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


The correct option is D.

Explanation for correct answer:

  1. The central dogma is the process that depicts the flow of genetic information from DNA to RNA to form a functional protein.
  2. Transcription is the process by which a DNA sequence is transcribed to an RNA molecule and produces a messenger RNA (mRNA).
  3. The translation is the process by which an mRNA molecule is decoded to produce amino acids and used to synthesize a polypeptide.
  4. During the expression of a gene to form a protein, information flows from the DNA to RNA and then to the protein.
  5. Thus, central dogma is referred to as the directional flow of information.

Explanation for incorrect options:

Option A:

The order is incorrect.

Option B:

The order is incorrect.

Option C:

The order is incorrect.

Final answer: Option D is the correct answer.

Transcription - Translation

Replication - DNA -→ mRNA -→ Protein


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