Adenine

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    Genetic information is inheritable, that is, they are passed on from parents to their offspring. DNA is contained in the chromosome and is present in the nucleus of cells of human body. DNA consists of nucleotides like adenine, guanine, cytosine and thymine. In each case, adenine pairs up with thymine and guanine pairs up with cytosine to form the DNA backbone. Now in each DNA the sequence in which these nucleotides are present is what distinguishes one individual from another and is unique to…

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    carbon of neighboring nucleotide. The Oxygen and Nitrogen atoms of nucleotide create a polarity on the backbone of nucleotide sequences. An important distinction between DNA and RNA is the nucleotide composition. DNA and RNA both contain purines, Adenine (A) and Guanine (G). However, DNA contains pyrimidines, Cytosine (C) and Thymine (T), whereas RNA only contains pyrimidines Guanine (G) and Uracil (U). They play a central role in metabolism, protein synthesis cell signaling. These subunits…

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    (DNA) is the hereditary material. It is a polynucleotide and is a double helix composed of two strand that run in opposite direction1. Each strand of DNA consist of a sugar molecule (deoxyribose), nitrogen base (adenine-A, guanine-G, thymine-T and cytosine-S) and a phosphate group. Adenine and guanine are double-ringed molecules known as purines while thymine and cytosine are single-ringed molecules known as pyrimidines1. Within the DNA molecule, the sugar molecules are joined to each other by…

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    The Structure and Replication of DNA Introduction The structure and replication of DNA is important for organisms to develop and survive as it what has the control over all of bodies functions. DNA is converted in to messages that are used to produce proteins molecules, important for bodily functions. Without DNA genes would not be able to performs tasks such as telling the body how to create proteins which in turn would not allow proteins to create enzymes, hormones and other important…

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    carry’s the majority of information for development growth and many other functions. DNA is located in the nucleus of a cell. DNA has a double helix structure and is formed by a series of bases these are Adenine , Cytosine , Guanine and Thymine. These bases have a basic pattern when forming DNA. Adenine will only join to Thymine when in DNA and Cytosine will only join to Guanine when in DNA. These bases are bonded by hydrogen bonds. Each base has a start an end in each sequence of the DNA…

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    3 Cell Components

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    In a cell, all of the organelles are a necessary part of the whole. The nucleus is the brains of the cell. The nucleus is also where the DNA is located. DNA are the proteins that hold the genetic code necessary for the cell to replicate. The DNA replication takes place in the ribosomes, where the proteins are translated in order to be replicated. The plasma membrane covers the entire cell and oversees the flow of chemicals that come both in and out of the cell. The plasma membrane creates a…

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    Amino acids Amino acids are building block s of proteins. Each amino acid contains main three structural components. 1) Amino group 2) Carboxcilic group 3) R group Figure 1 https://www.bing.com/images/search?q=amino+acids&view=detailv2&&id=072990A13D7C6B29926E0FC3F9E9BE59C8A6322E 2016 R can be hydrogen or any other functional group .in world there are around 182-200 found to be present in nature but we can find 20 aminoacids in…

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    Dna In Biology

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    that make up DNA are very similar except for the difference in nitrogenous base that each one contains. These bases include adenine, thymine, guanine, cytosine. When nucleotides join together they form a shape that looks like a twisted ladder (also know as a double helix). The bases of a nucleotide also determines what other bases it is paired with on the double helix. Adenine and thymine usually bond and cytosine and guanine are usually bonded together. The nucleotides that make up these…

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    When Francis Crick and James Watson(top photo) discovered the secret of life found in DNA, many believed that the genetic revolution was upon them. As the understanding of genetic code grew, people began to hope for healthier lives and an end of inherited diseases. Although the fear of scientists playing god grew as well. This simple molecule was now basic unit of creation, and another pair of scientists were looking to find how its structure worked. Rosalind Franklin and Maurice…

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    substitution of one amino acid for another in the protein made by a gene [1], a type of nonsynonymous substitution. Figure 2.3: Missense Mutation [1] This figure 2.3 shows an example of missense mutation. One of the nucleotides (adenine) is replaced by another nucleotide (cytosine) in the DNA sequence. This results an incorrect amino acid (proline) being incorporated into the protein sequence. 2.3.2 Nonsense…

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