eukaryotes‚ transcription factors control gene expression by binding DNA sequences in the regulatory regions. Cell proteins regulate gene expression. RNA contains the sugar ribose and the nitrogenous base uracil instead of thymine. It is usually a single strand. mRNA molecules are made using DNA as a template. Chapter 13 • Workbook A • Copyright © by Pearson Education‚ Inc.‚ or its affiliates. All Rights Reserved. 193 Name Class Date 13.1 RNA Lesson Objectives Contrast RNA and DNA. Explain the process
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History Capital Gains Tax (CGT) was introduced on the 20th September 1985‚ prior to which there was no formal CGT. Any capital gain before this date is not subject to CGT. ▪ Between 1985 – 1998: the relevant legislation was under PTIII‚ subdivision A of the ITAA36 (7-020) The statutory provisions in operations between 1985-1998‚ PtIIIA ITAA36‚ was criticised for being too complex‚ having unfair outcomes‚ and for distorting commercial decisions. When the Tax Law Improvement Project in 1994
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the target template DNA; through complementary base pairing‚ one primer attaches to the top strand at one end of target template DNA‚ and the other primer attaches to the bottom strand at the other end (“PCR Virtual Lab”). • Extension or elongation: The temperature is raised to 72˚C for one to several minutes‚ this allows Taq polymerase to attach at each priming site and extend (synthesize) a new DNA strand(“Biology Animation Library”). DNA polymerase (naturally-occurring complex of proteins whose
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CODIS works by attempting to match the samples of DNA based on the thirteen different regions or loci within the nuclear DNA. 4. Complimentary base patterns are pairs that always pair up together. Complimentary base patters are so important because the four bases make up DNA 5. RFLP is described as the method in which DNA is studied‚ by using an enzyme to cut DNA strands into different sections. Limitations to this process include the fact that it requires a large sample of DNA and samples that carry
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307141691 Jun Li 311052665 Word count: 2‚494 words In determining the tax implications of Gary’s sale of Ozbanana Pty Ltd (Ozbanana) to Matt‚ an examination of the capital gains tax (CGT) effects on the sale of an asset must be conducted. There are two key elements to the sale of Ozbanana‚ a lump sum payment of $8 million and
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DNA replication occurs within the interphase‚ In this phase two strands of DNA serve as templates for new DNA strands that are forming. As the DNA separates a replication bubble is formed‚ this is where two replication forks are formed that grow in two directions. DNA polymerase creates new strands as nucleotides are added individually to each strand. As each nucleotide pairs itself to the complimentary nucleotide on the opposite strand‚ new DNA molecules are formed until the molecules are similar
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transcription is the first step of gene expression‚ in which a particular segment of DNA is copied into RNA by the enzyme RNA polymerase. During transcription‚ a DNA sequence is read by an RNA polymerase‚ which produces a complementary‚ antiparallel RNA strand‚ also unlike DNA replication where DNA is synthesised‚ transcription does not involve an RNA primer to initiate RNA synthesis.
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The effect of mutations on living organisms Mutations occur when there is a change in the base sequence on the DNA strand. Most mutations have absolutely no effect due to them occurring in the introns‚ or the “junk DNA”. However some mutations occur on the exons‚ and these are the ones that can be potentially harmful to the organism‚ although in some exceptional cases random mutations can be beneficial‚ and pressured mutations are almost always beneficial to the survival of a species. Harmful
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into two strands of DNA at one end of the DNA molecule. This separation will cause a formation of a replication fork. After the replication fork has been established the strands of DNA are ready for the next stage. On each strand is a sequence of nucleotides. These nucleotides act as a template for complementary nucleotides to bind. Hence‚ it is the site where the synthesis of a new complementary strand will be formed. Because of the DNA "unzipping"‚ there will be two single strands of DNA. Hence
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DNA houses the ‘blue prints” of our anatomy. However‚ this is the difference: DNA is a double helix which means that it has 2 strands. RNA however‚ has a single strand‚ so it is started but incomplete; which means that it needs another complimentary strand to become a complete DNA helix. So when reproduction occurs‚ both parts‚ male and female‚ combine each of the two strands given to form the offspring’s DNA and significant shape. If you dig down deeper to the “building blocks” of DNA and RNA‚ you
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