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What is Northern blotting?
Northern blotting is a laboratory technique used to study gene expression levels by detecting the presence and quantity of RNA in a sample. It involves separating RNA molecules based on size through gel electrophoresis and then transferring them to a membrane for detection using labeled probes. This technique allows researchers to analyze the abundance of specific RNAs in a given sample.
What property of DNA makes hybridization between a labeled probe and a target gene possible?
The complementary base pairing between DNA strands enables hybridization between a labeled probe and a target gene. The hydrogen bonding between adenine-thymine and guanine-cytosine base pairs allows the probe to specifically bind to its complementary sequence in the target gene, facilitating detection.
How is FISH Technology used?
FISH (Fluorescence In Situ Hybridization) technology is used to detect and visualize specific DNA sequences in cells by using fluorescently labeled DNA probes that bind to complementary target sequences. It is commonly used in medical diagnosis, genetic research, and cancer detection to analyze chromosomal abnormalities and gene expression levels. FISH technology allows for precise and sensitive detection of specific DNA sequences within the cell.
How do radioisotopes identify DNA?
Radioisotopes are often used to label DNA molecules for detection purposes. This is achieved by incorporating radioactively labeled nucleotides during DNA replication or using radiolabeled probes that bind specifically to the DNA sequence of interest. By detecting the emitted radiation from the radioisotope, researchers can locate and identify the DNA molecules.
What role does the gene labeled as "BRCA1" play in the development of breast cancer?
The gene BRCA1 helps repair damaged DNA in cells, which can prevent the growth of abnormal cells that could lead to breast cancer. Mutations in the BRCA1 gene can increase the risk of developing breast cancer because the cells may not be able to repair DNA damage properly.
Probes for cloned genes use?
Probes for cloned genes are usually short, single-stranded DNA or RNA molecules that are complementary to specific sequences in the cloned gene. These probes are labeled with a detectable marker, such as a fluorescent dye or a radioactive isotope, to allow for visualization and identification of the gene. The probes can be used in techniques like Southern blotting or in situ hybridization to detect the presence and location of the gene in a sample.
What are non radioactive probes and its application?
Nonradioactive probes are DNA or RNA molecules labeled with a chemical or enzyme for detection in molecular biology experiments. These probes are used in applications such as Southern and northern blotting, in situ hybridization, and PCR for identifying and detecting specific nucleic acid sequences without the need for radioactive materials. They provide a safe and cost-effective alternative to radioactive probes for molecular detection techniques.
What is Northern blotting?
Northern blotting is a laboratory technique used to study gene expression levels by detecting the presence and quantity of RNA in a sample. It involves separating RNA molecules based on size through gel electrophoresis and then transferring them to a membrane for detection using labeled probes. This technique allows researchers to analyze the abundance of specific RNAs in a given sample.
What property of DNA makes hybridization between a labeled probe and a target gene possible?
The complementary base pairing between DNA strands enables hybridization between a labeled probe and a target gene. The hydrogen bonding between adenine-thymine and guanine-cytosine base pairs allows the probe to specifically bind to its complementary sequence in the target gene, facilitating detection.
How is FISH Technology used?
FISH (Fluorescence In Situ Hybridization) technology is used to detect and visualize specific DNA sequences in cells by using fluorescently labeled DNA probes that bind to complementary target sequences. It is commonly used in medical diagnosis, genetic research, and cancer detection to analyze chromosomal abnormalities and gene expression levels. FISH technology allows for precise and sensitive detection of specific DNA sequences within the cell.
Is correct use vortex to dissolve biotin labeled oligonucleotides probes?
I have been used vortex to dissolve biotin oligonucleotide probes. ¿Is it correct?
In what field are TaqMan probes used?
TaqMan probes are used in the field of molecular biology. They are used in many medical labs around the world for purposes of gene expression and DNA research.
Using radioactively labeled DNA probes in studies of heredity makes it possible for scientist to do what?
Study the inheritance of traits that are not seen as a phenotype
What has the author Paula Jayne Robinson written?
Paula Jayne Robinson has written: 'Flourescent probes for the detection of genetically-marked bacteriea in a biofilm'
What has the author Harold Gene Friddell written?
Harold Gene Friddell has written: 'Factors determining the probability of radar detection' -- subject(s): Radar
Was gene labled valedictorian in A Separate Peace?
No, Gene was not labeled valedictorian in A Separate Peace. The valedictorian of the graduating class at Devon School was Brinker Hadley.
What are radioactive probes?
Radioactive probes are molecules that are labeled with a radioactive isotope, such as ^32P or ^35S, which emit radiation that can be detected. They are commonly used in molecular biology to detect specific DNA, RNA, or protein molecules by binding to complementary sequences and producing a signal that can be visualized.
