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What is produced when gene transcription occurs?
Genes are transcribed onto an mRNA molecule.
A scientist is trying to find a method to artificially produce a protein that is found in a pig's kidney What would be the first step of this process?
Find all mRNA produced by the kidney
What happens first during transcription?
RNA polymerase reaches the beginning of the gene
Which of these is the correct mRNA that would be produced from this segment of DNA tactaggctaat?
augauccgauua is the mRNA that would be produced.
What makes premature mrna and mature mrna different?
The first (primary) transcript from a protein coding gene is often called a pre-mRNA and contains both introns and exons. Pre-mRNA requires splicing (removal) of introns to produce the final mRNA molecule containing only exons
What is the new mRNA strand produced by a mutated gene?
An inaccurate and most likely non-functional Copy.
What is produced when gene transcription occurs?
Genes are transcribed onto an mRNA molecule.
Why every gene need a start codon?
because without it, ribosome (the proteosynthetic apparatus) would not recognize mRNA produced from this gene
A scientist is trying to find a method to artificially produce a protein that is found in a pig's kidney What would be the first step of this process?
Find all mRNA produced by the kidney
What is a homologous expression system?
Heterologous Expression systems are tools to find out whether a particular gene produces mRNA and/or protein and whether the protein produced is functional or defective. In these systems, we use the expression vectors in which cDNA of the gene of interest is clonned along with suitable promoter. When this gene is expressed through transcription by the formation of mRNA, then the resultant protein is formed by translation of mRNA.
Where is new mRNA produced?
mRNA is produced inside the nucleus of the cell after transcription has occurred.
What happens first during transcription?
RNA polymerase reaches the beginning of the gene
Which nucleic acid can be a gene?
A gene is a segment only on DNA. A gene transcribed to mRNA is usually no longer referred to as a gene.
Which of these is the correct mRNA that would be produced from this segment of DNA tactaggctaat?
augauccgauua is the mRNA that would be produced.
What makes premature mrna and mature mrna different?
The first (primary) transcript from a protein coding gene is often called a pre-mRNA and contains both introns and exons. Pre-mRNA requires splicing (removal) of introns to produce the final mRNA molecule containing only exons
How many strands of mRNA are made during the process of transcription?
A single mRNA strand is typically produced but a single strand can make many many copies of the protein encoded on the molecule.
Which is the worse a serious error in mRNA processing for a gene or a serious mutation in the gene for transfer rna?
a serious mutation in ribosomal RNA gene is worse. the mutated ribosomes may lose their abilty to bind to messenger RNAs through Shine Dalgarno Sequences. they may also present wrongly placed E,P and A sites to the messenger RNA. this will lead to lethal results ranging from abnormal polypeptide formation to no formation at all.
