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Initiation, elongation, and termination are the three main steps in

Question

Initiation, elongation, and termination are the three main steps in

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Solution

protein synthesis or transcription and translation in molecular biology.

  1. Initiation: This is the beginning phase where the machinery of protein synthesis is assembled. In transcription, it involves the binding of RNA polymerase to the DNA strand at the promoter region. In translation, it involves the binding of the ribosome to the mRNA strand at the start codon.

  2. Elongation: This is the phase where the actual synthesis occurs. In transcription, the RNA polymerase moves along the DNA strand, synthesizing a complementary RNA strand. In translation, the ribosome moves along the mRNA strand, synthesizing the protein by adding amino acids one by one.

  3. Termination: This is the ending phase where the synthesis process is completed and the machinery is disassembled. In transcription, it occurs when the RNA polymerase reaches a termination sequence on the DNA strand. In translation, it occurs when the ribosome reaches a stop codon on the mRNA strand.

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