Lucas Lindsey Mr. Mazhawidza Mircobes to Society 118 Gene Expression [pic] By definition of dictionary.com gene is defined as the basic physical unit of heredity. a gene is a linear sequence of nucleotides that makes part of a segment called DNA. Deoxyribonucleic acid (DNA) is a nucleic acid that contains genetic codes in the development and functioning of all known living organisms. DNA provides a a linear sequence of nucleotides along a segment of DNA that provides very important
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Genes Review 1) Selective breeding – chosen based on what can be seen and detected (favourable phenotype) Genetic engineering – selected based on genes 2) - DNA are found in nucleus (where most DNA are found)‚ mitochondria‚ chloroplast 3) - Translation requires ribosome‚ mRNA‚ tRNA (anticodon) and amino acids - DNA template‚ polymerase for transcription 4) Mitosis generates daughter cells that are identical Meiosis – homologous recombination 5) DNA coding sequence: 5` GGGCCCTTTAAA
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Cell Bio Bites Topic: Ribosomal Function and Ricin Relevance of Ricin and Ribosomes Relevance of Ricin and Ribosomes Most foods from the four food groups contain protein. Protein is manufactured by the ribosome. In contrast to ribosomes‚ ricin breaks up proteins and blocks protein synthesis. In that perspective‚ ribosomes can be seen helpful and ricin as useless and lethal to a somatic cell. Luckily‚ since ricin can stop protein synthesis‚ ricin is being experimented to block diseases’ protein
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Both Phineas and Gene had an almost identical physique and age; however‚ this was basically where their shared similarities end as they proved to be diverse and unique. Coming from different backgrounds and supporting divergent talents‚ the two were arguably quite dissimilar. Nevertheless‚ over the course of their time spent together as roommates at Devon‚ Phineas and Gene shared a special bond. Their mutual association manifested despite these obvious contrasts and evidently survived times of great
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CHAPTER EIGHT 8 AN OVERVIEW OF GENE EXPRESSION HOW TRANSCRIPTIONAL SWITCHES WORK THE MOLECULAR MECHANISMS THAT CREATE SPECIALIZED CELL TYPES POST-TRANSCRIPTIONAL CONTROLS Control of Gene Expression An organism’s DNA encodes all of the RNA and protein molecules that are needed to make its cells. Yet a complete description of the DNA sequence of an organism—be it the few million nucleotides of a bacterium or the few billion nucleotides in each human cell—does not enable us to reconstruct the
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11: How Genes are Controlled I. How and Why Genes are Regulated? A. Gene Expression in Differentiated Cells 1. What does it mean to say that the cells in your body are differentiated? It means that the cells in the body are specialized to do certain tasks with some genes in a cell turned off and some genes in the cell turned on. 2. The great differences among cell types is due to the selective expression of its genes. Define gene expression
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taking advantage of this by using a system of phylogenetic classification. In contrast to the traditional Linnaean system of classification‚ phylogenetic classification names only clades. For example‚ a strictly Linnaean system of classification might place the birds and non-Avian dinosaurs into two separate groups. However‚ the phylogeny of these organisms reveals that the bird lineage actually branches off of the dinosaur lineage‚ and so‚ in phylogenetic classification‚ the birds should be considered
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Bacteriaphages were good for the experiment because they only contain 2 organic compounds‚ DNA and protein. • James Watson and Francis Crick were the first to solve the structure (structure=function) of DNA. • X-ray crystallography( process used to visualize molecules in 3-D. • DNA is a double helix- structure • The nitrogenous bases of DNA are( adenine (A)‚ thymine (T)‚ guanine (G)‚ and cytosine (C). • The 2 strands (the leading and the lagging strand) are antiparallel.
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Maximum likelihood methods have been developed in order to construct the most probable phylogenetic tree. The earliest methods of calculating the maximum likelihood used gene frequency data‚ and more recent approaches involve algorithms of amino acid and nucleotide sequences. The general equation for the likelihood L of a phylogenetic tree is defined as the probability of observing the data in a given tree under a specific substitution pattern‚ L=(data│tree). The tree with the highest L value is
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Please answer the following short-answer questions. The completed exam should be submitted to gradebook. 1. Why is it important for the case manager to establish positive rapport with the client at the beginning of the therapeutic relationship? The establishment of positive rapport is to gain the clients trust that allows for open communication at the beginning of the therapeutic relationship. 2. Name 3 specific things the case manager can do to establish rapport. In other words‚ what can the
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