What is Ribosomes?
The large number of ribosomes found in cells primarily serves as a place for protein synthesis. Aside from the endoplasmic reticulum, they are also found in prokaryotic cells in the form of free particles and connected to the membrane in the case of eukaryotic cells. George E. Palade, a Romanian-American cell scientist, discovered ribosomes in 1955 and linked them to the endoplasmic reticulum in eukaryotic cells throughout his research.
In addition to protein synthesis, they function by binding to a messenger ribonucleic acid (mRNA) and decoding the information carried by the mRNA’s nucleotide sequence. The amino acid-containing transfer RNA enters the ribosomes at the acceptor site. After being added up, it continues to add amino acids to the growing protein chain on tRNA.
70s and 80s Ribosomes Differences
FAQ on Ribosomes
1. What is the role of Ribosomes?
It is the job of ribosomes to keep the genetic material of humans in a safe place.
2. Why ribosomes are 70S not 80S?
While the larger subunit is at 50S and the smaller one is at 30S, together they settle at 70S. Thus, 50S+30S=70S, not 80S.