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Chapter 17
Bio 181
30
Biology
Undergraduate 1
07/15/2012

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Term
Chaparones
Definition
Proteins that assist a newly formed polypeptide in folding
Term
Termination
Definition
Events that end transcription or translation
Term
Peptidyltransferase
Definition
The enzyme that genertes the dehydrolysis reactionneeded to link amino acids together during translation
Term
Elogation
Definition
Events that elongate either the RNA or polypeptide chain
Term
Polyribosomes
Definition
Term used for multiple ribosomes on the same mRNA transcript
Term
Transfer
Definition
Type of RNA that carries the amino acid to the correct site on the ribosome
Term
Initiation
Definition
Start of transcription of translation
Term
Anticodon
Definition
Three nucleotide sequence found on tRNA that is complimentary to the codon on mRNA
Term
Large
Definition
subunit of the ribosome that holds the tRNA in place
Term
Cap
Definition
The term used for the 5' modification of an mRNA
Term
Termination
Definition
Events that end transcription or translation
Term
Codon
Definition
Three nucleotide sequence in mRNA that codes for a specific amino acid
Term
TATA
Definition
A box of DNA sequence located in the promoter of most genes where transcription factors bind
Term
Modified
Definition
Often Proteins must be
_________ in the golgi or ER before they become functional
Term
Splicing
Definition
term used for removal of introns
Term
Exon
Definition
coding region of a primary transcript
Term
Small
Definition
subunit of the ribosome that holds the mRNA
Term
Transcription
Definition
converting the code of DNA into RNA by RNA polymerase
Term
Twenty
Definition
The number of different amio acids
Term
GTP
Definition
the energy used for translationelongation is ____.
Term
Polya
Definition
The term for the tailmodification of an mRNA transcript
Term
Translation
Definition
Converting the code of RNA into protein by ribosomes
Term
Degredation
Definition
Post-translational modifications help prevent __________ by enzymes
Term
Spliceosome
Definition
Enzyme that removes the introns from the primary transcript
Term
Sixty four
Definition
How many different combinations are possible using the three nucleotide codon system
Term
AUG
Definition
the first codon is always this sequence
Term
Reading
Definition
The frame where codons are read in groups of three is called the ___________ frame
Term
Promoter
Definition
Region of a gene that is recognized by RNA polymerase. Where initiation begins
Term
SNRNP
Definition
small nuclear ribonuclear particles that make up a splicosome
Term
Intron
Definition
non-coding region in a primary transcript
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