Bio 97 Lecture 4.docx

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Department
Biological Sciences
Course
BIO SCI 97
Professor
Rahul Warrior
Semester
Fall

Description
In eukaryotes, mRNA is processed in the nucleus then exported to the cytoplasm where it is translated In prokaryotes, transcription and translation are coupled (there is no nucleus in bacteria) Prokaryotes – - mRNA can associate with ribosomes as they are being formed - translation beings before transcription is complete - Do not have splicing - Can make different proteins with the same PROKARYOTIC Asingle mRNA can encode multiple proteins Polycistronic RNA can encode proteins with similar functions EUKARYOTIC Can encode only one protein and only has one start and stop codon Need: Ribosomes Messenger RNA Transfer RNA – brings amino acid and has the anticodon on the bottom that matches with the mRNA Amino acid synthesazes A, P,and E
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