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Genetics 13.1
Genetics Vocab Words Section 13.1
9
Biology
9th Grade
11/22/2011

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Term
RNA
Definition
single-stranded nucleic acid that contains the sugar ribose
Term
Messenger RNA
Definition
type of RNA that carries copies of instructions for the assembly of amino acids into proteins from DNA to the rest of the cell
Term
Ribosomal RNA
Definition
type of RNA that combines with proteins to form ribosomes
Term
Transfer RNA
Definition
type of RNA that carries each amino acid to a ribosome during protein synthesis
Term
Transcription
Definition
synthesis of an RNA molecule from a DNA template
Term
RNA Polymerase
Definition
enzyme that links together the growing chain of RNA nucleotides during transcription using a DNA strand as a template
Term
Promoter
Definition
specific region of a gene where RNA polymerase can bind and begin transcription
Term
Intron
Definition
sequence of DNA that is not involved in coding for a protein
Term
Exon
Definition
expressed sequence of DNA; codes for a protein
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