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Biology Chapter 13A

Part 1 of Chapter 13 Vocab.

TermDefinition
RNA (ribonucleic acid) single-stranded nucleic acid that contains the sugar ribose
Messenger RNA (mRNA) type of RNA that carries instructions/genetic information for the assembly of amino acids into proteins from DNA to the rest of the cell
Ribosomal RNA (ribosomal RNA) type of RNA that combines with proteins to form ribosomes (a non-coding RNA)
Transfer RNA (tRNA) type of RNA that carries each amino acid to a ribosome during protein synthesis
Transcription the process of making an RNA copy (mRNA) of a gene's DNA sequence (synthesis of an RNA molecule from DNA)
RNA polymerase a multi-unit enzyme that synthesizes RNA molecules from a template of DNA through a process called transcription.
Promoter specific region of a gene where RNA polymerase can bind and begin transcription
Intron sequence of DNA that is not involved in coding for a protein- removed before translation, so not seen in the final RNA product
Exon expressed sequence of DNA; codes for a protein
Polypeptide long chain of amino acids that makes proteins
Created by: Sammygaga
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