Name the three stages of transcription.
What are initiation, elongation, and termination?
tRNA deliver ______ ____ to the ribosome where the ______ subunit catalyzes a ______ bond between the new amino acid and the growing ____________ chain.
What are amino acid, large, peptide, polypeptide?
A ________ mutation occurs when a premature stop codon is introduced into the mRNA.
What is nonsense?
Prokaryotes regulate gene expression at the ___________ level.
What is transcription?
RNA polymerase requires the assistance of _______ _____ in eukaryotic transcription.
What are transcription factors?
Antisense is to _________ as sense is to _________
What are template and coding?
The charging of each tRNA with its correct amino acid is carried out by a group of enzymes known as _________ - _____ synthases.
What is aminoacyl-tRNA?
Name three regions of eukaryotic DNA that are transcribed, but not translated.
What are rRNA, tRNA, miRNA, promotors, introns ... ?
In a prokaryote, such as E. coli, maximum transcriptiuon of the lac operon occurs in the presence of lactose and ________.
What is cyclic AMP (cAMP)?
In eukaryotes, ___________s are proteins that bind to regions of DNA referred to as enhancers ... if they simultaneously bind to transcription factors at the promoter, the rate of transcription is _____________.
What are activators and increased?
There is __ type of RNA polymerase in prokaryotes, but several in eukaryotes.
What is 1?
First amino acid
snRNPs, aka _____ ______ _____________ ________ , play a role in ____________ splicing.
What are small nuclear ribonucleoprotein particles and alternative?
Repressor is to ________ and ___ _______ is to promotor.
What are operator and RNA polymerase?
Transcription and translation occur simultaneously in prokaryotes. This is not the case in eukaryotes because ...
What is because transcription occurs in the nucleus and translation in the cytosol?
This question doesn't belong in this category! Name the molecule that guides proteins to the proteosome to be hydrolyzed.
What is ubiquitin?
Name the three stages of translation.
What are initiation, elongation, and termination?
Facilitates the binding of mRNA to the ribosome
What is 5' G cap?
In a prokaryote, the trp operon is active in the __________ of the amino acid tryptophan.
What is absence?
The most common eukaryotic promoter is ...
What is the TATA box?
RNA polymerase reads the ________ strand in the __ - __ direction and builds the mRNA in the __ - __ direction.
What are template, 3'-5', and 5'-3'?
Newly formed polypeptides may contain a __________ _________, which is a short stretch of amino acids that indicates where in the cell the polypeptide belongs.
What is signal sequence?
Chromatin is remodelled such that it becomes less available for transcription through a process called ___________.
What is methylation?
What are sigma factors?
Histone _______________s are a class of proteins that can remove the acetyl groups from histones, causing a ____________ in the rate of transcription.
What are deacetylase and decrease?