The appropriate order for the basic steps of protein synthesis are: a. the elongation reaction transfers the peptide chain from the peptidyl-trna in the p site to the aminoacyl-trna in the a site. b. the p site is occupied by peptidyl-trna carrying the growing polypeptide chain. c. binding of mrna by the small subunit followed by association of a particular initiator aminoacyl-trna that recognizes the first codon. d. the large ribosomal subunit joins the initiation complex, preparing it for the elongation stage. e. the new, longer peptidyl-trna moves from the a site into the p site as the ribosome moves one codon further along the mrna.

The appropriate order for the basic steps of protein synthesis are listed below

Explanation:

First step  D The large ribosomal subunit joins the initiation complex preparing it for elongation stage.

Second step C Binding of mRNA by small Sub unit followed by association of a particular initiator aminoacyl tRNA that recognizes the first codon.

Third step   B The P site is occupied by peptidyl tRNA carrying the growing polypeptide chain.

Fourth step A The elongation reaction transfers the peptide chain from the peptidyl  tRNA in the p site to the aminoacyl tRNA in the A site.

Fifth step   E The new longer Peptidyl tRNA moves from A site into the p site as the ribosome moves one codon further along the mRNA.

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the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

explanation: