What is the order in which proteins are synthesized?

Answer 1

An export protein starts its journey where it is created, the ribosomes. Next it travels to the Rough ER where it assists in moving the protein to the Golgi Apparatus. At the Golgi the protein is "packaged and shipped" to the cell membrane where it leaves the cell.

Answer 2

First a primary transcript strand is copied off a DNA strand in the nucleus in a process called transcription. The DNA strand acts as a template for the newly created primary transcript strand. The primary transcript is made up of introns and exons. The introns are taken out and the exons are binded together by enzymes. THis new strand of exons is called messenger RNA or mRNA.

Next the mRNA strand leaves the nucleus through the nuclear pores, and binds to a ribosome. Each base triplet on the mRNA strand is known as the codon. The codon binds to an anti-codon which is found on a unit of transfer RNA. The transfer RNA (tRNA) brings with it a particular amino acid that is coded for to the ribosome. The tRNA then exits the ribosome, as the amino acid it brought binds to the next amino acid, forming a polyeptide (protein) chain. This process continues until a stop sequence is reached, where the protein chain is released from the ribosome and protein synthesis is complete.

Some notable facts are that the triplet sequence that initially binds to the ribosome (the start sequence) is always AUG, and the three stop sequences are UAA, UAG and UGA.

Answer 3

mitochondria