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Review-examII-2010
Review-examII-2010

... the mRNA-ribosome complex. Formation of the ester linkages between a tRNA and its corresponding amino acid is catalyzed by the tRNA itself. A tRNA binds to its appropriate amino acid through a covalent linkage of the amino acid’s side chain to the base of the nucleotide immediately 5’ of the anticod ...
Topic 3.5 powerpoint
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CHAPTER THREE CYCLIN TRANSFORMATION OF BANANA
CHAPTER THREE CYCLIN TRANSFORMATION OF BANANA

... Transformation of Agrobacterium tumefaciens (strain AGL1) was carried out using the heat shock technique (Sambrook, et al., 1989). An empty expression vector pBin19 was used as a control for the over-expression of the banana cyclin. To transform Agrobacterium, 100 µl competent cells from a -80oC sto ...
classes of mutation
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... Changes in DNA caused by mutation can cause errors in protein sequence, creating partially or completely non-functional proteins. Each cell, in order to function correctly, depends on thousands of proteins to function in the right places at the right times. When a mutation alters a protein that play ...
Latest bill text (Draft #1)
Latest bill text (Draft #1)

... or swab specimen ]from a person, as prescribed by administrative regulation, that is required to provide a DNA sample pursuant to KRS 17.170 or 17.510, that shall be submitted to the Department of Kentucky State Police forensic laboratory for law enforcement identification purposes and inclusion in ...
CHAPTER 12
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... R = codes for synthesis of enzyme that helps convert sugar to starch in seed r = codes for defective form of enzyme ***in recessive homozygote, sugar accumulates in the seed; as seed develops, high sugar concentration causes osmotic uptake of H2O ...
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Imprinting and Dosage Compensation-2015

... from Alberts et al., Molecular Biology of the Cell, 4th ed., Fig 5-12 ...
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Plant RNA/DNA Purification Kit
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... are both column purified in under 30 minutes using a single column. It is often necessary to isolate total RNA and genomic DNA from a single plant sample, such as for studies of gene expression, mutant or transgenic plant characterization, and host plant-pathogen characterization. Traditionally the ...
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Chapter 27: Bacteria and Archaea - Biology E
Chapter 27: Bacteria and Archaea - Biology E

... Prokaryotes are found in the domains Archaea and Bacteria. 3. What are prokaryotes? ! Most prokaryotes are unicellular. Prokaryotic cells typically have diameters of 0.5–5 µm, much smaller than the 10–100 µm diameter of many eukaryotic cells. The three most common shapes are spherical (cocci), rod-s ...
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High Resolution Melt: species identification in theory and practice

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SAT II Protein Synthesis
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... • Initiation - The tRNA carrying an amino acid comes into P-site and bonds by base pairing its anti-codon with the mRNA start codon (what is the start codon?) • Elongation – The second tRNA then comes into A-site and bonds to codon of mRNA – The two amino acids joined with peptide bond • Termination ...
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This is a test - DNALC Lab Center

... inherited it from a common ancestor. This is called identity by descent. An estimated 500-2,000 Alu elements are restricted to the human genome. The vast majority of Alu insertions occur in non-coding regions and are thought to be evolutionarily neutral. However, an Alu insertion in the NF-1 gene is ...
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... A research team was investigating the properties of a newly-discovered enzyme, the product of which was a valuable drug. This enzyme had been extracted from cells of a marine worm, found in the North Atlantic, where the temperature is always close to 5 °C. All the proteins of such animals are adapte ...
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DNA SEQUENCING (using an ABI automated sequencer)
DNA SEQUENCING (using an ABI automated sequencer)

... Determination of a DNA sequence is accomplished using one of two basic methods, and their derivations. Both methods were first described in 1977. The first method (Maxam and Gilbert 1977) is based on specific chemical degradation of the DNA. The DNA is first end-labeled using 3 5 s or 33PI followed ...
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... “sufficient” crossovers between the loci in a population of individuals a. T b. F 15. If a linkage map has an average marker density of 5 cM, it is safe to assume that there was complete interference between adjacent linked markers a. T b. F 16. You observe that in a very large (n = 1000) F2 populat ...
chapter 27 - applied genetics
chapter 27 - applied genetics

... APPLIED GENETICS ◦ USING OUR UNDERSTANDING OF GENES TO CREATE CHANGES IN THE DNA OF ORGANISMS ◦ THERE ARE THREE AREAS OF UNDERSTANDING  MUTATIONS  GENETIC DISORDERS  GENETIC ENGINEERING ...
6 Principles of Gene Regulation
6 Principles of Gene Regulation

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• Transcription Transcription • Translation Information flow in

... Alternative sigma factors bind to core RNA pol and direct it to different promoters. E. coli RNA pol holoenzyme is α2ββ’σ Sigma 70 is used for ‘normal’ promoters Sigma 32 is used for heat-shock promoters Sigma 54 is used for N limitation promoters Gene rpoD rpoH rpoN ...
Test Blueprint
Test Blueprint

... eukaryotic cells (TEKS 4A) The student will be able to identify cellular processes including homeostasis, permeability, energy production, transportation of molecules, disposal of wastes, function of cellular parts, and synthesis of new molecules (TEKS 4B) The student will compare the structures and ...
Important advances in next generation genome editing
Important advances in next generation genome editing

... One of these tricks they can do is to serve as a sort of stop sign for the cell. When the machinery that normally reads DNA arrives at the mutant HD gene, appropriately designed genome editing tools can call them off - telling them not to do their work at that precise gene. This results in no mutant ...
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Molecular cloning



Molecular cloning is a set of experimental methods in molecular biology that are used to assemble recombinant DNA molecules and to direct their replication within host organisms. The use of the word cloning refers to the fact that the method involves the replication of one molecule to produce a population of cells with identical DNA molecules. Molecular cloning generally uses DNA sequences from two different organisms: the species that is the source of the DNA to be cloned, and the species that will serve as the living host for replication of the recombinant DNA. Molecular cloning methods are central to many contemporary areas of modern biology and medicine.In a conventional molecular cloning experiment, the DNA to be cloned is obtained from an organism of interest, then treated with enzymes in the test tube to generate smaller DNA fragments. Subsequently, these fragments are then combined with vector DNA to generate recombinant DNA molecules. The recombinant DNA is then introduced into a host organism (typically an easy-to-grow, benign, laboratory strain of E. coli bacteria). This will generate a population of organisms in which recombinant DNA molecules are replicated along with the host DNA. Because they contain foreign DNA fragments, these are transgenic or genetically modified microorganisms (GMO). This process takes advantage of the fact that a single bacterial cell can be induced to take up and replicate a single recombinant DNA molecule. This single cell can then be expanded exponentially to generate a large amount of bacteria, each of which contain copies of the original recombinant molecule. Thus, both the resulting bacterial population, and the recombinant DNA molecule, are commonly referred to as ""clones"". Strictly speaking, recombinant DNA refers to DNA molecules, while molecular cloning refers to the experimental methods used to assemble them.
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