PPT-What do we know about DNA?

Where is DNA located in the cell Nucleus What does DNA stand for Deoxyribonucleic acid DNA is a polymer What is DNA made of Nucleotides monomers Nucleotide Deoxyribose sugar Phosphate group . DNA from a few Angles. Cell: . Every cell contains a nucleus which is filled with the directions for cell function, DNA. . Chromosome. : . When DNA is tightly coiled and wound it becomes visible in the form of . “DNA is a helical structure” . with “two co-axial molecules.”. “period is 34 . Å. ” . “one repeating unit contains ten . nucleotides on each of two . . . co-axial molecules.'’. “The phosphate groups lie on the outside of the structural unit, on a helix of diameter about 20 . 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 . "molecular photocopying" . It’s fast, inexpensive and simple . Polymerase Chain Reaction. Amplifying DNA . in Vitro. : The Polymerase Chain Reaction (PCR). The . polymerase chain reaction, PCR. , can produce many copies of a specific target segment of DNA. DNA damage DNA gets damaged a lot ! DNA damage DNA gets damaged a lot! >200,000 events/human cell/day DNA damage Occurs 2 ways 1) spontaneously 2) mutagens : damage DNA Transposons Discovered by Barbara McClintock TM. -ID Collection Device for Forensic Science Application. Presentation By:. Michelle K. Gordon, M.S.. Boston University . School of Medicine. Program in Biomedical Forensic Sciences. 72 E. Concord Street, Boston, MA 02118. The formation of a highly organized DNA-protein complex, termed as chromatin, which is a nucleoprotein complex completes the packing.. Chromatin can be defined as highly condensed chromosomes at metaphase stage, and very diffuse structures in course of . The helical structure of . DNA. Formation of Nucleotides. Structure of polynucleotide polymer. Each base has its preferred . tautomeric. form. Purine. and . Pyrimidine. Base . tautomers. ; are frequent sources of errors during DNA synthesis. C. G. A. T. G. C. T. C. A. Chromosomes and genes. Competition. Variation. Continuous and discontinuous Variation. Summary lesson. DNA. DNA Discovery. Genes and Inheritance!. inheritance. Adaptation. DNA is SMALL….. .  . Author: Michael Fenech. Affiliation: Genome Health Foundation, North Brighton, SA, 5048, Australia. Email: . mf.ghf@outlook.com. . Introduction. Life as we know it depends entirely on the capacity of cells to utilize energy and molecules in the environment for cellular function and reproduction. . Directions: Front of card write term. On back write definition and draw picture . Chromosomes. Thread-like structure made of coiled DNA. Gene. Segment of DNA that codes for a specific trait. Nucleotide. 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.". VBC-321. Animal Biotechnology. A . probe. is a nucleic acid which has been . labeled. i.e., chemically modified in some way which allows it and hence anything it hybridizes to, to be detected.. There are three major types of probe: . By: Michelle Rivera, . eSmirna. . cantu. , Alexa Campos. What are pesticides?. Pesticides is a generic term that many chemicals fall under. . Brief functions of pesticides. . List of pesticides used. .