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mRNA is extracted from cells for DNA microarray.

the mRNA is then converted in the lab to cDNA

this cDNA is allowed to interact with the probes on the microarray chip

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14y ago
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5mo ago

RNA is extracted from cells for DNA microarray technology. RNA is then converted into cDNA (complementary DNA) through reverse transcription before being used in the microarray analysis.

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Q: What is extracted from cells for DNA microarray technology?
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What is the meaning of CDNA microarray?

A cDNA microarray is a hybrid of a DNA microarray, which is a collection of a number of minute DNA dots. These are mostly used in the field of genetic testing.


What is the purpose of DNA microarray analysis?

DNA microarray analysis allows researchers to measure the expression levels of thousands of genes simultaneously. This technology is used to study how genes respond to different conditions or treatments, identify genetic variations associated with diseases, and classify different types of cells based on gene expression patterns.


How does the technology of microarray work?

Microarray technology involves placing thousands of DNA or RNA sequences on a small chip. When a sample is added, the sequences bind to their complementary sequences in the sample. By measuring which sequences bind, researchers can determine the presence and quantity of specific genes in the sample.


How biologist get DNA out of the cell?

DNA can be extracted from most cells by a simple chemical procedure: the cells are opened and the DNA is separated from the other cell parts.


What is DNA microarray data analysis used for?

DNA microarray analysis is a technique used to match up two strands of DNA. It is used in paternity tests and in criminal investigations in which a perpetrator's DNA was found at the crime scene.


What food can DNA be extracted from?

DNA can be extracted from any living organism that has cells containing a nucleus, such as fruits, vegetables, meat, fish, and plants. Common sources for extracting DNA in a lab setting include strawberries, bananas, and onions.


What are the pros and cons of integrating DNA microarray or chip technology into the forensic DNA laboratory?

Pros: High-throughput analysis: DNA microarrays or chips can analyze multiple DNA samples simultaneously, increasing efficiency. Increased information: Can provide information on multiple genetic markers, enabling more comprehensive analysis. Cost-effective: Allows for testing of multiple markers in a single assay, potentially reducing costs. Cons: Complexity: Requires specialized equipment and training, which may be costly and time-consuming to implement. Data interpretation: Results from microarray analysis may be complex and require specialized expertise for interpretation. Sensitivity: Microarray technology may have limitations in detecting low-level DNA samples compared to traditional DNA analysis methods.


Why can you see the extracted with the naked eye?

When extracted from many cells in a sample, using various solvents, the DNA can easily be collected and seen with the naked eye.


If 2.2 picograms of DNA could be extracted from a certain number of human muscle cells about how many picograms of DNA could be extracted from the same number of human gamete cells?

Since human body cells (like muscle cells) contain twice the amount of DNA present in human gamete cells, roughly 1.1 pg of DNA can be expected out of human gamete cells


What is the source of DNA in blood?

DNA in blood comes from white blood cells, which contain the person's genetic information. When blood is collected for testing or analysis, the DNA can be extracted from these cells to study and identify specific genetic markers or sequences.


How can DNA microarrays compare gene expression in different cells?

DNA microarrays can compare gene expression in different cells by isolating mRNA from each cell type, converting it to cDNA, and then hybridizing it to the microarray. The microarray contains probes for thousands of genes, allowing for simultaneous measurement of gene expression levels across the samples. By comparing the intensity of hybridization signals for each gene, researchers can identify genes that are differentially expressed between the cell types.


What human cells can't have DNA extracted?

Red blood cells cannot have DNA extracted as they do not have a nucleus. This lack of a nucleus means that red blood cells are unable to replicate or repair themselves, and they have a limited lifespan.