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ISB 204 Exam 1-Making protiens
N/A
13
Biology
Undergraduate 1
02/06/2012

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Term
ribosome
Definition
organelle, located in cells cytoplasm, site of protien synthesis-at ribosome both mRNA tape and amino acids come together to make protein
Term
Transcription
Definition
process by which the genetic information encoded in the DNA is cpoied onto messenger RNA
Term
RNA polymerse
Definition
unwinds DNA strand and strings together chain of RNA nucletoids that is complementary to it
Term
mRNA
Definition
encodes and carries to ribosome information for synthesis of protiens
Term
codon
Definition
triplet coding of mRNA bases
Term
Genetic code
Definition
inventory of linkages between nucletoie triples and amino acids they code for
Term
tRNA
Definition
provies linkage between mRNA and amino acids-transfers amino acids to ribosomes and then bonds with messenger mRNA
Term
rRNA
Definition
structural component of ribosomes, function in cytoplasm
Term
Translation
Definition
process by which information encoded in messenger RNA is used to assemble a protien at a ribosome
Term
promoter
Definition
DNA just in front of gene
Term
introns
Definition
sequence removed from original RNA
Term
exons
Definition
sequences left after editing takes place
Term
enhancer
Definition
segment of DNA-sole service is to serve as a binding site for proteins that help get RNA polymerse positioned at the promoter
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