Ribosomes perform the process of protein synthesis on messengerRNA to create a sequence of amino acids that are joined together, this is called a polypeptide chain.
1. rise of angiosperms 2. rise of chemoautotrophs and photoautrophs 3. rise of multicellularity 4. rise of bryophytes 5. rise of gymnosperms 6. rise of eukaryotes 7. rise of cyanobacteria