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NEETZoologyMolecular Basis of Inheritance

Phase Description A. Initiation 1. Ribosome moves along mRNA, amino acids are added one by one B. Elongation 2. Ribosome binds to mRNA at the start codon with initiator tRNA C. Termination 3. Release factor binds to stop codon, completing translation D. Charging of tRNA 4. Amino acids are activated and attached to tRNA E. Translation Unit 5. mRNA sequence flanked by start and stop codons coding for a polypeptide

Options

  1. AA - 2, B - 1, C - 3, D - 4, E - 5
  2. BA - 1, B - 2, C - 3, D - 4, E - 5
  3. CA - 2, B - 3, C - 1, D - 4, E - 5
  4. DA - 2, B - 4, C - 3, D - 1, E - 5

Correct answer

A. A - 2, B - 1, C - 3, D - 4, E - 5

Step-by-step solution

A - 2: Initiation is when the ribosome binds to mRNA at the start codon with initiator tRNA. B - 1: Elongation involves the ribosome moving along mRNA, adding amino acids one by one. C - 3: Termination occurs when a release factor binds to the stop codon, completing translation. D - 4: Charging of tRNA involves activating amino acids and attaching them to tRNA. E - 5: A Translation Unit is the mRNA sequence flanked by start and stop codons coding for a polypeptide.

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