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DNA Day research - DNA model construction
DNA Day research - DNA model construction

... *1951 Rosalind Franklin; use x-ray diffraction to capture picture of DNA, which indicated double helix shape * 1953 Watson & Crick pinpoint structure of DNA ~double helix ~sides of 5 carbon sugars and phosphate groups ~ connected by bases (adenine, thymine, guanine, cytosine) ...
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No Slide Title

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... If a mRNA sequence had the following nucleotides: AAGGUCAGACGGUGA, how many codons are there? What is the start codon? What is Translation? Where does Translation occur? Where in the cell does transcription occur? Where in the cell does translation occur? When does translation begin? What brings ami ...


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... 2. When deoxyribose molecules bind in DNA formation: A. What kind of reaction takes place? B. What kind of a bond is formed? C. Which carbons are involved in the respective molecules 3. What is the relationship between the constant 2-nanometer diameter of DNA and the nature of base pairing? ...
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... _____________, or the Central Dogma of Biology. 4. During DNA replication, complementary strands of DNA are made from the original DNA strands. Using this template (original strand of DNA) and the base-pairing rules, give the complementary strand: TACCCCGAGAGG 5. What would be the complementary sequ ...
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... This table shows the amino acids that are specified by different mRNA codons. Most amino acids are coded for by more than one codon and so many substitution mutations have no effect on the final polypeptide. A mutation in the DNA triplet CCA into CCG would change the codon in the mRNA from GGU to G ...
CHAPTER 10: DNA,RNA & Protein Synthesis
CHAPTER 10: DNA,RNA & Protein Synthesis

... 2. Elongation- continued as ribosome moves the distance of 1 codon on mRNA 3. Elongation is built with new tRNAs attaching each amino acid as it reads the codons on the mRNA. 4. Termination- ribosome reaches “stop” codon on the mRNA 5. Disassembly – each piece is free. ...
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Nucleic acid analogue



Nucleic acid analogues are compounds which are analogous (structurally similar) to naturally occurring RNA and DNA, used in medicine and in molecular biology research.Nucleic acids are chains of nucleotides, which are composed of three parts: a phosphate backbone, a pucker-shaped pentose sugar, either ribose or deoxyribose, and one of four nucleobases.An analogue may have any of these altered. Typically the analogue nucleobases confer, among other things, different base pairing and base stacking properties. Examples include universal bases, which can pair with all four canonical bases, and phosphate-sugar backbone analogues such as PNA, which affect the properties of the chain (PNA can even form a triple helix).Nucleic acid analogues are also called Xeno Nucleic Acid and represent one of the main pillars of xenobiology, the design of new-to-nature forms of life based on alternative biochemistries.Artificial nucleic acids include peptide nucleic acid (PNA), Morpholino and locked nucleic acid (LNA), as well as glycol nucleic acid (GNA) and threose nucleic acid (TNA). Each of these is distinguished from naturally occurring DNA or RNA by changes to the backbone of the molecule.In May 2014, researchers announced that they had successfully introduced two new artificial nucleotides into bacterial DNA, and by including individual artificial nucleotides in the culture media, were able to passage the bacteria 24 times; they did not create mRNA or proteins able to use the artificial nucleotides. The artificial nucleotides featured 2 fused aromatic rings.
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