Lissencephaly is a brain malformation, in which the brain does not fully develop the gyri or ridges that cover the surface of the brain. Lissencephaly can be caused by a genetic mutation of at least two different genes on chromosome seventeen and X-chromosome called doublecortin. It could also be caused by a viral infection. It is also most common in Miller-Dieker syndrome and Norman-Roberts syndrome (“Lissencephaly”,2012). Miller-Dieker is a condition where an individua has facial abnormalities
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The Human DNA Profiling Bill (hereinafter Bill) is a legislation proposed in India to create a National DNA database and profiling board to regulate DNA profile analysis for various forensic purposes. In 2007, this Bill was proposed and the drafting began in 2012. The Bill was expected to be introduced in the monsoon session of 2015 in the Parliament, but it was not done so. The Bill has opened up a debate regarding its merits and its scope for misuse. The Bill has also been criticized for not addressing
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they look, or simply be superhuman. Now imagine the scenario if the stories cease to lie in just the films we watch and become our reality. Due to scientific advancements in technology and thanks to Crick and Watson for creating a dictionary of our DNA this future is not far off. (Heritage, 2012) Within the last 15 years, couples have already had the ability to decide certain genetic characteristics when creating a child via InVitro fertilization. InVitro fertilization, or IVF, is when a couple
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Good evening, ladies and gentlemen. Um, I’ve been asked to introduce myself before introducing the speaker, which is the main purpose of my being here. Um, I’m, ah, Jean Thomas. I’m the new Biological Secretary of the Royal Society, and I’m pressure biochemistry in-in Cambridge. Ah, the other thing I’ve been asked to do, ah, before I have the pleasure of chairing this lecture, is to ask you all to switch your mobiles off if you would please. And, also to tell you that, ah, this lecture will
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options in this field. From modifying our cells to resist diseases and cancer, to merging our DNA with the DNA of animals. The way I see things unfolding, keeping in mind how society is like today, only the people who make a decent amount of money can afford to get their DNA modified the way they want. Diseases will never go away due to new unforeseen possibilities. Athletes will have modified their DNA to add the strength ratio of a chimp or gorilla to be better at sports. With the rate at how
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splicing, and histone modification. Alternative splicing is the process where exons created during transcription are joined in multiple different ways during RNA splicing. Histone acetylation loosens chromatin structure and enhances transcription, while DNA methylation reduces transcription. From the Fig 2 above, we can see that the greater the phosphate content in tau protein in the brain, the greater the risk of AD. Hence, excessive phosphorylation increases the risk of AD. Phosphorylation of tau
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genetic information from DNA to RNA and it occurs inside the nucleus. DNA has four nitrogenous bases (adenine (A), guanine (G), cytosine (C) and thymine (T) that are paired together as A-T and G-C. Since DNA is a double helix the second strand has the corresponding nitrogenous bases. The second base has the complementary pairs to the nitrogenous bases of the nucleotides in the first strand. During the process of protein synthesis, DNA helicase unwinds or unzips the double helix of DNA creating two separate
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science Updates About Biology SUBMITTED TO: MRS. MA. L. TAN SUBMITTED BY: RHEINROSE GARCIA FIONA DE LEON PAUL HERNANDEZ MAY ANN MARBANO MAE JEAN RECUBEDO | Baculovirus-recognizing human cell receptor identified for the first time | The receptor used by baculovirus to enter and interact
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cause a protein to unravel and lose its normal shape. This is called denaturation of the protein. 4. Explain the differences between DNA and RNA? The difference between RNA and DNA is that instead of the base thymine, RNA has a similar but distinct base called uracil. Except for the presence of ribose and uracil, an RNA polynucleotide chain is identical to a DNA polynucleotide chain. RNA
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| | | | | |Original DNA Strand: |Transcription (base sequence of RNA): | | |
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