Proteins carry out the process of replication. Process of DNA Replication 3. Priming DNA synthesis – Primase synthesizes RNA primers. DNA Replication is “Semi-conservative” • Each 2-stranded daughter molecule is only half new • One original strand was used as a template to make the new strand 7. A. Watson and Crick proposed that one strand serves as a pattern on which another strand is built and this was later proved to be true. Generation 1 • E. colichromosome is circular, double-stranded DNA (4.6x103 kilobase pairs, >1000 bp/sec) • Replication begins at a unique site (origin) • Proceeds bidirectionally until the two replication complexes meet (termination site) Basic Facts of DNA Replication. Each body cell gets a complete set of identical DNA. DNA replication is the process of a DNA molecule making a copy of itself. DNA replication occurs before mitosis begins and before the first division of meiosis. One side of DNA molecule is a template for making the other side (strand) B. ppt: Download File. DNA and Replication Notes: File Size: 533 kb: File Type: doc: Download File. 2. DNA replication DNA structure suggests an obvious replication mechanism Watson and Crick noted that “specific [base]pairing…immediately suggests a possible copying mechanism for the genetic material” the model suggested that each strand could serve as a template for making a … • DNA polymerases can find and correct errors. Replication is fast and accurate. template. The rules of base pairing direct replication. Replication copies the genetic information. • DNA replication starts at many points in eukaryotic chromosomes. for making the other side (strand)?’s 1-3 RepA helicase “melts” the DNA at the replication fork 3. DNA Replication •What are the key events of the template model for DNA replication? Binary Fission • Bacteria reproduce asexually via binary fission • Each daughter cell is an identical copy (or clone) of its parent cell. Prokaryotic cell. 8.3 DNA Replication There are many origins of replication in eukaryotic chromosomes. A single strand of DNA serves as a template for a new strand. (From: AN INTRODUCTION TO GENETIC ANALYSIS 6/E BY Griffiths, Miller, Suzuki, Leontin, Gelbart 1996 by W. H. Freeman and Company. DNA and Replication Notes pdf: File Size: 236 kb: File Type: pdf: Download File. DNA is replicated during the S (synthesis) stage of the cell cycle. Enzyme brings in complementary N-bases B. –helicase unwinds the double helix –the two exposed strands of DNA act as a template for DNA replication –DNA polymerase adds the correct complimentary base pairs to the exposed strands DNA serves only as a template. Microbial evolution 101. DNA Replication • The copying of DNA is remarkable in its speed and accuracy • Involves unwinding the double helix and synthesizing two new strands. Fundamentals: Nucleic acids, DNA replication, transcription, translation and application to molecular detection. Process of DNA Replication Uncoil & unzip DNA molecule Enzyme (-ase) breaks weak Hydrogen Bond between bases B. DNA: The Master Molecule Video. Vocabulary for ppt 2 Transcription and Translation • Genes Chapter 8.4 and 8.5 • DNA • RNA • Protein • mRNA • tRNA • rRNA • Transcription • RNA Polymerase • RNA bases • Exon • Intron • Amino Acid • Ribosome • Translation • Codon • Anticodon • Genetic Code Chart • Start codon • Stop Codons DNA Replication Complementary base pairs of the nucelotides in DNA are important because it serves as a basis for making an exact copy of the DNA when a cell is divided. One side of DNA molecule is a . Process of DNA Replication 2. 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