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DNA is heated initially in a process called denaturation to break the hydrogen bonds between the base pairs, causing the double-stranded DNA to separate into single strands. This is a crucial step in techniques like PCR as it allows the primers and DNA polymerase to access the DNA for replication.

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Where is the DNA placed in gel electrophoresis apparatus?

The DNA is loaded into wells at one end of the gel in gel electrophoresis apparatus. When an electric current is applied, the DNA is separated based on size as it moves through the gel towards the opposite end.


The laboratory procedure for copying selected segments of DNA is?

The laboratory procedure for copying selected segments of DNA is called polymerase chain reaction (PCR). In PCR, the DNA template is heated to separate the DNA strands, then specific primers are added to initiate replication by a DNA polymerase enzyme. The process is repeated multiple times to amplify the DNA segments of interest.


What is the process used for DNA Sequencing?

There were initially two methods used for DNA sequencing, but today there are dozens. Genome sequencing is defined as any process that determines the order of nucleotides within an atom of DNA. It is almost always accomplished automatically in modern applications, using machines specifically designed for the job.


Why is the plant material initially processed through the blender when extracting DNA from a plant?

The plant material is initially processed through a blender to break down the cell walls and disrupt the cellular structure, allowing the DNA to be released from the cells. This mechanical disruption helps to homogenize the sample, ensuring that the plant tissues are evenly mixed and facilitating the subsequent extraction steps. By thoroughly breaking down the plant material, the extraction process becomes more efficient, leading to higher yields of DNA.


What is the PCR procedure for DNA typing?

The PCR (Polymerase Chain Reaction) procedure for DNA typing involves three main steps: denaturation, annealing, and extension. In denaturation, the double-stranded DNA is heated to separate it into single strands. During annealing, short DNA primers bind to the specific target sequences on the single-stranded DNA at a lower temperature. Finally, in the extension phase, a heat-stable DNA polymerase synthesizes new DNA strands by adding nucleotides to the primers, effectively amplifying the target DNA region for analysis. This cycle is typically repeated multiple times to produce millions of copies of the DNA segment of interest.

Related Questions

Would chromosomal DNA spool if it was heated to 100 degrees?

If heated to a hundred degrees, chromosomal DNA would denature. Meaning the it would come apart and the complementary DNA strands would separate. One way to get DNA to spool (around a glass rod for example) is to remove it from the cell and precipitate it in solution. This can be done with with help of sodium chloride and isoamyl alcohol.


When water is heated most of the energy that water initially absorbs is used to?

It breaks the hydrogen bonds between the water molecules


What color would be cupric nitrate if heated?

Cupric nitrate is initially blue when in its hydrated form. When heated, it will decompose to form copper oxide, turning black in color.


What happens to DNA when heated to 95 degrees Celsius?

When DNA is heated to 95 degrees Celsius, the hydrogen bonds holding the two DNA strands together break, causing the strands to separate in a process known as denaturation. This results in the DNA becoming single-stranded, which can have various consequences such as affecting gene expression or disrupting DNA replication.


What procedure is used to amplify DNA in vitro?

The procedure used to amplify DNA in vitro is called Polymerase Chain Reaction (PCR). It involves repeated cycles of denaturation, annealing, and extension, which allow for the selective amplification of specific DNA sequences. In each cycle, the DNA is heated to separate the strands, cooled to allow primers to bind, and then heated again for a DNA polymerase enzyme to synthesize new strands. This process can exponentially increase the amount of target DNA, making it useful for various applications in research and diagnostics.


Why when extracting DNA from onion cells why is the mixture heated to 60 degrees for 15 minutes?

so as to kill the cell


When copper is heated in air?

When copper is heated in air, it undergoes oxidation and forms copper oxide. Initially, a layer of black copper oxide (CuO) forms on the surface, and upon further heating, it turns into red copper oxide (Cu2O).


Where is the DNA placed in gel electrophoresis apparatus?

The DNA is loaded into wells at one end of the gel in gel electrophoresis apparatus. When an electric current is applied, the DNA is separated based on size as it moves through the gel towards the opposite end.


What happens to tomato when heated?

Initially the plants will wilt and then drop flowers and fruit.


The laboratory procedure for copying selected segments of DNA is?

The laboratory procedure for copying selected segments of DNA is called polymerase chain reaction (PCR). In PCR, the DNA template is heated to separate the DNA strands, then specific primers are added to initiate replication by a DNA polymerase enzyme. The process is repeated multiple times to amplify the DNA segments of interest.


How has the amount of DNA needed for forensics chnged over the years?

Advancements in DNA technology have allowed forensic scientists to use smaller amounts of DNA for analysis, such as the development of PCR (Polymerase Chain Reaction) techniques. Initially, larger amounts of DNA were required for forensic analysis, but now, with improved technology, only a few cells or even a single cell can provide enough DNA for forensic testing.


What process copies DNA quickly without using bacteria?

Polymerase chain reaction (PCR) is a method used to copy DNA quickly without the need for bacterial cells. In PCR, DNA is heated to separate the double strands, then specific primers are added to target the regions to be copied, and DNA polymerase is used to synthesize new strands of DNA. This process can amplify a specific segment of DNA quickly and efficiently.