PPT-17.3 DNA Double Helix An atomic model of a DNA molecule shows the double helix as the

Learning Goal Describe the double helix of DNA and the process of DNA replication DNA Base Pairs During the 1940s biologists determined that the bases in DNA had a specific relationship the amount of adenine A was equal to the amount of . DNA is composed of polynucleotide chains. The helical structure of . DNA. Formation of Nucleotides. Structure of polynucleotide polymer. Each base has its preferred . tautomeric. form. Purine. and . Kathleen McClain. Hofstra University. Mentor: Wilma Olson. Methylase from HAEIII Covalently Bound to DNA. PDB ID: 1DCT. DNA Basics. Generic B-form DNA. DNA contains the genetic information in most living organisms. . DNA or Protein?. Walter Sutton discovered . chromosomes . were made of . DNA and Protein. However, scientists were . NOT . sure which one (protein or DNA) was . the actual genetic material of the cell. shapes and patterns. 조연우. Contents. DNA. DNA origami. The application of DNA origami. DNA origami structure. “Normal DNA”. 이중나선 형태로 존재. Double Stranded, Double Helix. Adenine, Thymine, Guanine, Cytosine . FDR receives a letter from Albert Einstein. Informed FDR of recent developments in splitting uranium atoms. Could lead to “extremely powerful bombs of a new type” by means of nuclear fission. Nucleus absorbs a neutron, breaks into two equal fragments. p. 26. 10/6. Monomer = Nucleotide. Polymer = Nucleic acid. Phosphate. Sugar (deoxyribose). Nitrogenous Base. DNA!!. THE BIG PICTURE. Cells. Cell Membrane. Molecule Movement. Carbs, Lipids, and Proteins. 1/13/2014. N. Brown’s classes. 1 Every . nucleotide is made up of…. Sugar. Phosphate. Nitrogen base. All of the above. 1. Every nucleotide . monomer is . made up of…. Ribose Sugar. Phosphate. Nitrogen base. Something to think about... When a species . reproduces. , there is . genetic continuity . maintained from one generation to the next.. WHAT . is responsible for this continuity?. HOW . does this continuity happen?. In . their 1953 announcement of a double helix structure for DNA, Watson and Crick stated, . "It has not escaped our notice that the specific pairing we have postulated immediately suggests a possible copying mechanism for the genetic material.". Film ActivityEducator MaterialsThe Double Helix OVERVIEW of the discovery of the molecular structure of DNA. Scientists collected and interpreted key evidence to determine that DNA molecules takethe 1865: GregorMendel published his seminal work on heredityThough unrecognized at the time, his work became the foundation of modern genetics.Transmission of various traits (phenotypes) in pea plantsThe construction. material – engineers go beyond biology. Other technologies for making things at this scale : e-beam . lithograpy. , scanning-tunneling microscopy, chemical self-assembly. Constructions we’ll talk about:. complementary. base . pairs.. Learning Goal . Describe the double helix of DNA.. DNA, Ratio of Bases. Scientists determined that . adenine is paired (1:1) with thymine.. guanine is paired (1:1) with cytosine. . Presented . by. Pallavi. . Mohite. Assistant . Professor. Department . of . Biotechnology. Deogiri . College, Aurangabad. Different forms of DNA. A form. ,. . B . form, . Z . form.