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13.1 RNA
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9
Biology
9th Grade
03/25/2015

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Term
Exon
Definition
is an expressed sequence of DNA; codes for a protein.
Term
Intron
Definition
is a sequence of DNA that is not involved in coding for a protein.
Term
messenger RNA (mRNA)
Definition
is a 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
Promoter
Definition
is a specific region of a gene where RNA polymerase can bind and begin transcription.
Term
ribonucleic acid (RNA)
Definition
is a single-stranded mucleic acid that contains the sugar ribose.
Term
ribosomal RNA (rRNA)
Definition
is a type of RNA that combines with proteins to form ribosomes.
Term
RNA polymerase
Definition
is an enzyme that links together the growing chain of RNA nucleotides during transcription using a DNA strand as a template.
Term
transcription
Definition
is synthesis of an RNA molecule from a DNA template.
Term
transfer RNA (tRNA)
Definition
is a type of RNA that carries each amino acid to a ribosome during protein synthesis.
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