Which of the following statements describes an example of phenotypic plasticity? A) A yeast cell with a genetic mutation grows into a pink colony on a petri dish, while a cell without the mutation grows into a white colony.
B) Desert locusts with the same genotype develop into solitary or swarming forms depending on the density of individuals in their surroundings.
C) Two stems cut from a single rose plant develop red flowers, despite one being planted in full sun and the other in shade.
D) The common hawk-cuckoo and the shikra are types of birds with similar feather patterns and behaviors despite genetic differences.

The empty trna moves off and picks up another matching amino acid from the cytoplasm in the cell. the anticodon of the trna, with its attached amino acid, pairs to the codon of the mrna, which is attached to a ribosome. this sequence is repeated until the ribosome reaches a stop codon on the mrna, which signals the end of protein synthesis. the ribosome forms a peptide bond between the amino acids, and an amino acid chain begins to form. when a second trna with its specific amino acid pairs to the next codon in sequence, the attached amino acid breaks from the first trna and is bonded to the amino acid of the second trna.