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Because the genetic code is the same in both organisms.
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∙ 10y ago
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Is a rice plant carrying a carrot gene a transgenic organism?
Yes.
What are two problems with bacterial gene expression systems?
1) There are certain aspects of gene expression that are different in eukaryotes and bacteria. The difference can be fixed with an expression vector, a cloning vector that contains a highly active bacterial promoter upstream of a restriction site where the eukaryotic gene can be inserted in the correct reading frame. The bacterial host cell will recognize the promoter and continue to express the foreign gene that is linked to that promoter. 2) Another problem is the presence of non-coding regions, introns, that are in most eukaryotic genes. The intorns make the gene very long and prevents the correct expression of the gene by bacterial cells. [Remember: bacteria does not have the RNA-splicing machinery] This problem is overcome by using a cDNA for of the gene, which includes exons.
If a gene is inserted into the DNA of a bacterial cell every cell produced by that cell will have?
a copy of the inserted gene
What clues did bacterial transformation yield about the gene?
That gene is a functional unit of DNA. And when it is transformed to another organism it carry out that function there.
Which of these is a gene that does not express itself and is concealed by the presence of another gene of the same trait?
A hypostatic gene is one that can by hidden by other genes.
Is a rice plant carrying a carrot gene a transgenic organism?
Yes.
What does the bacterial cell reproduce that the human gene codes for?
the bacterial cell reproduces the bacterial chromosome that the human gene codes for.
In a case of simple dominance what is the height of a plant with the genotype Tt?
The plants will all express the dominant gene.
What are two problems with bacterial gene expression systems?
1) There are certain aspects of gene expression that are different in eukaryotes and bacteria. The difference can be fixed with an expression vector, a cloning vector that contains a highly active bacterial promoter upstream of a restriction site where the eukaryotic gene can be inserted in the correct reading frame. The bacterial host cell will recognize the promoter and continue to express the foreign gene that is linked to that promoter. 2) Another problem is the presence of non-coding regions, introns, that are in most eukaryotic genes. The intorns make the gene very long and prevents the correct expression of the gene by bacterial cells. [Remember: bacteria does not have the RNA-splicing machinery] This problem is overcome by using a cDNA for of the gene, which includes exons.
Which of is a gene that does not express itself and is concealed by the presence of another gene of the same trait?
recessive gene A+
If a gene is inserted into the DNA of a bacterial cell every cell produced by that cell will have?
a copy of the inserted gene
Is heat shock a method of gene transfer in bacterial cells?
Bacterial cell wall is made of peptidoglycan(a polymer consisting of both sugars and amino acids). So, when the bacterial cells along with the recombinant DNA is subjected to high temperature and suddenly brought down to low temperature(almost immediately - after 2mins), the protein structure gets denatured. By this, there form pores large enough for the recombinant DNA to enter the cell and express the desired gene when required.
How can large quantities of protein be produced from a bacterial colony containing the gene of interest?
In Gene clonning copy no of gene increse and translation of each gene produce more no of protein so one can increas production of protein
A tobacco plant can be made to express a gene from fireflies resulting in the emission of light what is the basis for this phenomenon?
transcription and translation are fundamentally similar in both fireflies and tobacco plants
What clues did bacterial transformation yield about the gene?
That gene is a functional unit of DNA. And when it is transformed to another organism it carry out that function there.
Configuration of the GFP inside bacterial cells?
Inside bacterial cells, the green fluorescent protein (GFP) is typically encoded by a gene that can be introduced into the bacterial genome or expressed on a plasmid. The gene consists of coding sequences that allow the production of the GFP protein, which fluoresces green when exposed to specific wavelengths of light. The gene is regulated by bacterial promoters and terminators to control its expression level. The GFP protein is then synthesized within the bacterial cell and can be visualized using fluorescence microscopy or other techniques.
What doesn't express a carrier controlled by a trait?
An organism can have/carry a gene but without espressing this gene.
