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Transfer of genetic instructions in DNA to mRNA (messenger).
RNA polymerase binds to the promoter and signals the DNA to begin the unwinding process.
RNA reads the DNA and begins building the mRNA molecule. A in DNA binds with U in RNA.
Transcription stops when it reaches a termination sequence in the gene. The mRNA detaches from the DNA. Introns must be removed before the primary transcript leaves the nucleus (Exons are coding regions and introns are non-coding).
When a mRNA is processed to make protien
mRNA attaches to a Ribosome after traveling through the cytoplasm.
The anticodons on the tRNA attach to the codons on the mRNA.
Each tRNA contains one of the 20 amino acids.
Another tRNA (with its anticodon) attaches to the mRNA.
The amino acids bond and the tRNA let go.
Once a stop codon has been read, the amino acids deatach from the ribosome
The amino acids then fold on themselves based on their chemical properties to form the protein's final strucute