PPT-Plant Chloroplast and Mitochondrial DNA replication

Mitochondrial DNA replication MtDNA replication is not directly linked to the plant cell cycle and mtDNA copy numbers can vary widely depending on the tissue and stage of development MtDNA. By: Dr Natasha Gerbis. Mitochondria. Mitochondria play an essential role in cellular metabolism . Convert food into energy. The “batteries” of the cell. Mitochondria. Synthesize energy molecules called ATP via oxidative phosphorylation. DNA Structure. The discovery of the structure. Francis Crick and James Watson. The deoxyribonucleic acid (DNA) molecule is the genetic blueprint for each cell and ultimately the blueprint that determines every characteristic of a living organism. The DNA molecule was discovered in 1951 by Francis Crick, James Watson, and Maurice Wilkins using X-ray diffraction. . Models of DNA replication: Meselson-Stahl Experiment. DNA synthesis and elongation. DNA polymerases. Origin and initiation of DNA replication. Prokaryote/eukaryote models (circular/linear chromosomes). Introduction. The existence of genes, located in chromosomes and controlling phenotypes is known and predictable. But the firm establishment of such a chromosomal mechanism of inheritance does not necessarily preclude a role for other extra nuclear cell parts.. Chapter . 7.2. Processing of Genetic Material. What is DNA Replication. The process by which the DNA within a cell makes exact copies of itself. Balance of speed and accuracy. Used for growth, repair and embryonic development. Semiconservative vs. Conservative. DNA Polymerase. RNA Primase. Okazaki Fragments. Replication Errors. TeachWithFergy . Preview File. . Please . enjoy this preview of your Power Point. . Some slides appear blank because they have been removed.. Dr. Kevin Ahern. Structure. Structure. Structure. One Strand of DNA. Structure. Introduction. Structure. Introduction. DNA Structure. DNA Forms. Semi-Conservative Replication. Discontinuous. Replication. BIO…. LIFE….. THINK ABOUT THIS: . What do we do in our lifetime?. What are the major stages of our life?. What are the Major stages of physical development in our lives?. What would it look like.  . 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. . . Understanding DNA structure and replication is a prerequisite for understanding/using the principal tools of molecular biology . R. R. 0. R0. R0. 0. R0. R0. R. 0. R. RR. R0. 0. R0. 00. DNA: Structure & Replication. 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. 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?. . REPLICATION – GENERAL PRINCIPLES. START. Must be ready . Must know where to start . FINISH. Must all finish . Must ensure that each piece of DNA is replicated only once . Therefore must know where to finish . Mitosis, Protein . Synthesis. Week 8. 9/29 . DNA Replication . 11.1. Obj. TSW demonstrate base pairing rules of DNA Replication by constructing a 2-D model of DNA with paper. . P. 68 NB. Replication Video.