function of non-coding DNA besides structural? There has been speculation about Non-coding’s function. Non-coding DNA has been said to be “Junk DNA” until scientists have found evidence for it having a structural function. More scientists are now trying to find more functions that Non-coding DNA might have. Non-coding DNA lies between genes on the Chromosome and does not code for amino acids. Regular DNA is also found in the Chromosome‚ but it does code for amino acids with help from the RNA. It is found
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experiment would be how the Restriction Endonucleases cleave the strands of DNA. For this experiment‚ pBR322 was the specimen to use. Restriction Endonucleases work by cleaving the sugar phosphate backbone of specific DNA sites. Restriction enzymes that have been isolated from bacteria have a defensive role. This idea is illustrated when an attacking foreign cell DNA is trying to alter the bacteria; restriction enzymes cleave the DNA rendering it inert. The second part of the experiment deals with Gel
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DNA extraction and purification is an essential tool in understanding the biological basis and significance of a eukaryotic cell. Its role is pivotal to numerous scientific applications ranging from basic science research to applied research. Hence‚ DNA is found in all living organisms. Fragaria x ananassa‚ also known as a strawberry has been widely used as one of the many biological models in studying DNA structures due to its accessibility. Strawberries are octoploid which contain large genomes
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info in my DNA become my traits? This is a question that has been asked by many over the course of history.To answer this question we need to answer three essential questions‚ the first‚ how did we get our DNA‚ how did we go form one cell to trillions‚ and how did DNA become our traits. There is one essential driver to all of this‚ DNA‚ to understand DNA‚ we need to know what DNA is. DNA is two strands that contain genetic information in four bases‚ adenine‚ guanine‚ cytosine and thymine. DNA is located
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DNA bender: Cren7 & Sul7 DNA benders can introduce a bend in the DNA (Luijsterburg et al.‚ 2008). Many bends in the DNA automatically provide compaction of the DNA. Two important DNA bending proteins in crenarchaea are Cren7 and Sul7 (Driessen et al.‚ 2013). They are similar in structure‚ but they have different DNA binding regions (Zhang et al.‚ 2015). Cren7 and Sul7 can be methylated at several lysine residues (Guo‚ 2007). This PTM might be to regulate gene expression (Feng et al.‚ 2010)‚ although
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extract DNA from a strawberry using limited household items. This was accomplished with the prior knowledge that the DNA is stored in the nucleus of the cell‚ and that is an extraction buffer would be needed to acquire the DNA. This experiment had no control group‚ however‚ if there was a control group it might be a group with no extraction buffer. The independent variable in this experiment is the extraction buffer. The dependent variable in this experiment is the ability to extract DNA. The constants
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or struggles of a civilization. Some of the factors are population‚ economics‚ resources‚ and many others. In the book Guns‚ Germs‚ and Steel by Jared Diamond‚ the civilization of Eurasia is examined in detail in order to reveal why Eurasia was ultimately successful. Diamond argues that Eurasia was successful because of their agriculture‚ geography‚ and their immunity to germs‚ which I agree with. Diamond talks about how agriculture played a role in the success of Eurasia. Diamond says that Eurasia
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example‚ wheat requires a semi-arid climate‚ defined seasons‚ wet springs‚ and hot dry summers. That means that wheat cannot be too close to the equator where there are no defined seasons‚ and cannot be grown too far from the equator where the summers are not hot enough‚ or the springs are too dry. Wheat is relatively easy to harvest‚ is high in nutrition‚ and can be stored for 3-5 years‚ so while the civilizations with semi-arid climates like those in the Fertile Crescent were growing wheat with ease
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The documentary “DNA: The Promise and The Price” talks about many new aspects of genetic science today and the different ethical arguments and implications that may be sacrificed in the process of these new scientific breakthroughs. This documentary examines different researchers of genetic science in their attempt to fulfill DNA’s capability to help prevent and cure diseases. However‚ it also shows how some aspects of these advanced technologies could have major consequences not only for the patients
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semi-conservative replication in prokaryotes. Because we anticipated that a labeled DNA would have different density with unlabeled‚ which means‚ by analyzing the different density of DNAs‚ we can determine which of DNA is labeled‚ half-labeled or unlabeled. To this end‚ I will use c13 label the bacteria and abruptly change carbon source with C12. Then I will collect four samples in different time and analyze the results from centrifugal by ultraviolet absorption. According to the hypothesis above‚ I
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