Associate Program Material DNA Worksheet Answer the following in at least 100 words: 1. Describe the structure of DNA. DNA molecules are composed of two strands that form a helical ascending spiral. They fit together like the opposing teeth of a zipper and are held together by weak interactions called hydrogen bonds. These two strands is a long string of subunits called nucleotides‚ each attached to the one immediately about it and the one immediately below it to form a long chain. Each
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A DNA strand contains a complete representation of everything about our physiology. It also contains instructions on how to form our body by repeated divisions of a single cell. Each cell needs to know when it should‚ split into two‚ split into different kinds of cell for tissue differentiation. Cells also need to know when to stop growing because the body or organ is mature‚ and when it needs to replace tissue lost by injury. All of that is encoded into one molecule. So in other words the benefit
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DNA Barcoding Click on the following link and view the background on DNA barcoding: https://www.dnalc.org/resources/animations/dna-barcoding.html 1. What is a DNA barcode? DNA barcoding is a fast accurate method of identifying plants and animals‚ or products made from them. DNA barcode is DNA sequence that uniquely identifies each species of living things. Short DNA sequences are used to identify species by comparing them with the known barcodes in large databases. When you get to the section where
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DNA and the Gene: Synthesis and Repair 1) Watson and Crick elucidated the structure of DNA in 1953. Their research built on and helped explain the findings of other scientists‚ including ________. A) X-ray diffraction studies by Rosalind Franklin and Maurice Wilkins. B) Chargaff’s rules: C = G and T = A. C) Scientists who recognized that a nucleotide consisted of a sugar‚ a phosphate‚ and a nitrogen-containing base. D) All of the above were important considerations in the elucidation of
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The investigation on the average mass of DNA with the mass of banana‚ strawberry and kiwi. Purpose: The purpose of this lab is to investigate the comparison between the amount of DNA per gram of fruit that can be extracted from a banana‚ strawberry and kiwi and to determine which one has more DNA. Hypothesis: The banana genome contains 837 MBPs and the strawberry genome contains 206 MBPs and the kiwi genome contains 128 MBPs. This states that there are more base pairs in a banana genome
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least 100 words: 1. Describe the structure of DNA. DNA is a structure of specific molecules and a complex mixture of chemicals. DNA is a nucleic acid‚ which is a group of complex compounds that can be found in all living cells or viruses‚ and controls cell health and function. Nucleic acids are composed of polymers and monomers‚ which are referred to as nucleotides. There are four different types of nucleotides that make up the structure of DNA‚ which are abbreviated A‚ C‚ T‚ and G. Covalent
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DNA and Evidence DNA is one of the most important roles to evidence and in a criminal case. It helps to prove a convict guilty or help those wrongly accused or convicted. DNA stands for deoxyribonucleic acid. Just about every cell contains DNA. The DNA that’s in people blood is also the same DNA in people’s hair‚ bone‚ saliva‚ skin‚ tissue and everything else. What’s great about someone’s DNA it does not ever change throughout their life. DNA was first used as a way of finding out paternity so
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DNA Worksheet Answer the following in at least 100 words: 1. Describe the structure of DNA. A molecule of DNA is made up of long chains of polymers and monomers called nucleotides. Those chains‚ two in particular that compose a strain of DNA‚ are formed by the grouping of nucleotides into polynucleotides. A nitrogenous base‚ a sugar‚ and a phosphate group make up the composition of a nucleotide. In the case of DNA‚ the four nucleotides that are found along the chain of DNA are thymine (T)
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Draft 5\9\10 Understanding DNA Have you ever wondered how you got red hair or blue eyes? Well all that has to do with your genes. To have different genes you have to have a deoxyriboncleic acid or DNA for short. Without Dna everyone would and everything would look the same and that would make life really confusing. Your DNA has a very important role in life. Its most important role is to give everyone character. Every Dna chromosome is made the same according to species
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Discovery of dns Discovery of DNA By: Leslie A. Pray‚ Ph.D. © 2008 Nature Education Citation: Pray‚ L. (2008) Discovery of DNA structure and function: Watson and Crick. Nature Education 1(1) In the attached article‚ Leslie Pray discusses how the discovery of DNA came about and what it took to develop and finally formulate the different forms of what we now call DNA. DNA wasn’t just discovered by 1 or 2 scientists but rather a group of scientist over many different years. She starts off by
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