Start studying Chapter 13 Test: DNA replication and structures powerpoint notes. RNA = ribonucleic acid. DNA pol I has 3 activities: polymerase, 3’-->5’ exonuclease & 5’-->3’ exonuclease. Another enzyme called DNA Primase codes for a small RNA primer, which facilitates the activity of DNA polymerase. DNA-replication-revised.ppt - DNA Replication Summary Enzymes and proteins involved Process of replication in eukaryotes and prokaryotes Other functions. DNA Replication DNA must be copied. DNA nucleotides have three parts: Sugar called “deoxyribose” Phosphate group Nitrogenous base 3 Process of DNA Replication B. NEW edition is interactive. ñRb’²st¤ä‡9Ò3CS³$Dd5e&6r‚¢c“Óã4T%E¥ÅåF'ƒ£U…f†¶Æw)Ĕ´•VvG—8¦æ7gµ–W !1AQðaq‘¡±"2ÁÑá²3ñBr‚¢â#4¤ä5Rb£$decãD´%ECsƒtU’ÒS³6T„&ÿÚ. And so you might remember that DNA is deoxyribonucleic acid, so the sugar backbone in RNA is a very similar molecule, well now it's got its oxy, it's not deoxyribonucleic acid, it's ribonucleic acid. 2 DNA DNA is a polymer made of monomers called nucleotides . A summary of each process follows the full length explanations. Genetics - DNA Overview: word Answers Ch. It is … With a whiteboard marker, draw and make labels to show how DNA replication occurs. The DNA molecule produces 2 IDENTICAL new complementary strands following the rules of base pairing: A-T, G-C Each strand of the original DNA serves as a template for the new strand See p. 298 DNA Replication Semiconservative Model: 1. Chapter 8 Lecture Outline See PowerPoint Image Slides for all figures and tables pre-inserted into PowerPoint without Hwk for 10/14: DNA Structure and Replication POGIL--Models 1 and 2 ONLY 2 Viral Replication: Basic Concepts • Replication cycle produces-Functional RNA’s and proteins-Genomic RNA or DNA and structural proteins• 100’s-1,000’s new particles produced by each cycle-Referred to as burst size-Many are defective-End of ‘eclipse’ phase• Replication may be cytolytic or non-cytolytic Steps in Viral Replication: Attachment Established a new model of the elongation complex including binding sites for DNA and interacting proteins. DNA replication begins at specific sites called origins of replication. Transcription - RNA is made from DNA. This strand of mRNA is EDITED before leaving the nucleus & carrying the code into the cytoplasm 21.2 in Weaver 4 Replicon - DNA replicated from a single origin Eukaryotes have many replication origins. Once the DNA has been replicated, there is one problem. -flow of information from DNA to RNA to protein-DNA uses itself as a template to make more DNA = replication-use DNA to make RNA = transcription RNA leave the nucleus and interacts with other structures to make proteins = translation 1. 2. has uracil instead of thymine 3. has ribose instead of deoxyribose. Students will be able to explain the difference between DNA replication an Unwinding of DNA The interaction of proteins with ori defines the start site of replication and provides a short region of ssDNA essential for initiation of synthesis of the nascent DNA strand. DNA needs to be copied when an organism reproduces and when a cell reproduces. And have double-helix structure. In the first step the single stranded parental RNA (+ strand), undergoes replication to form a double stranded parental replicating form (+—). DNA REPLICATION Figure 4.2: DNA replication. Why is DNA replication “semi-conservative”? RNA … View chapt08_ DNA and RNA.ppt from BIO 200 at Lebanese American University. PowerPoint Presentation Last modified by: Administrator Created Date: 1/1/1601 12:00:00 AM ... DNA Replication B. Two new DNA molecules are created- each have one parent strand and one new strand- … DNA replication must be much more accurate than that. Structure Of DNA & RNA By Himanshu Dev VMMC & SJH 2. Similar to Fig. DNA polymerase, which is the major replication enzyme, needs a primer at which it can add the first nucleotide. DNA is extended by adding a free nucleotide triphosphate to the 3′ end of the chain. All important enzymes and nucleotides are covered. DNA Helicase allows for processive unwinding of DNA. Like replication, but making RNA. The R, let me make it clear where the RNA come from, the R is right over there, then you have the nucleic, that's the n, and then it's a, acid. Carries the genetic information DNA structure beginning with the basics. This is a comparison of the differences between DNA versus RNA, including … Usually DNA is double stranded structure (single stranded DNA also occurs). Helicase. RNA polymerase binds to the promoter site (TATA box) (start) on the DNA 2. Pol III structure --> Model for DNA complex DNA replication is semi-conservative. Leading Strand. Origin of replication The consensus sequence of oriC 2 DNA and Replication * copyright cmassengale * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * DNA Replication DNA polymerase can only add nucleotides to the 3’ end of the DNA This causes the NEW strand to be built in a 5’ to 3’ direction RNA Primer DNA Polymerase Nucleotide 5’ 5’ 3’ Direction of Replication copyright cmassengale * Remember HOW the Carbons Are Numbered! 12 Study Guide Questions to Review pdf Mending Mutations pdf DNA Fingerprinting pdf DNA - RNA Structure Standards word DNA Structure Review Questions word DNA Replication Standard word Transcription and Translation Standard word includes Practice Questions DNA Crossword pdf Central Dogma = <7./.3;G.D>;@> XH _ kWzd6OM. oriC: origin of replication in E. coli: OriC 245 bp (3 13-nt and dnaA binding sites) in 4.8 m bp genome. Cwk and Hwk 10/11: ; Complete the DNA Structure coloring, cutting, and assembly of the polymer . ��ࡱ� > �� � � ���� � � � � � � � � � � � � � � �������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������� n�O l�/e).�b��ƚ���PNG ¥Primase and the RNA P rimer ¥Replication Elongation: ¥DNA polIII ¥Must have 3Õ to add to ¥Replication is Finished: ¥DNA polI remove s primer ¥Fills gap using 3Õends ¥DNA ligase connects frags ¥Uses 5Õ ends! Structure of dna and rna 1. DNA Replication, Transcription, and Translation - DNA Replication, Transcription, and Translation DNA versus RNA Double Stranded Single Stranded Adenine-Thymine Adenine-URACIL Cytosine-Guanine Cytosine ... | PowerPoint PPT presentation | free to view Detailed tutorial of DNA from basic units- sugars, phosphates and bases- then how nucleotides link to form chains, the double helix. Usually RNA is single … DNA 3. found in chromosomes, mitochondria and chloroplasts. mRNA has the job of taking the message from the DNA to the nucleus to the ribosomes. Replication of RNA: If RNA viruses enter the host cells, they undergo multiplication by replicating their RNA. It acts as the genetic material in most of the organisms. From the Virtual Cell Biology Classroom on ScienceProfOnline.com Transcription Process by which a DNA sequence is copied to produce a complementary RNA. Enzymology of DNA replication: implications for mechanism 1. TRANSCRIPTION 2nd: information in RNA is used to make a specific protein TRANSLATION Structure of RNA RNA molecules are chains of nucleotides. Be sure to include the following structures: Label 3’ and 5’ sides of DNA. Fig. Translation - Proteins are made from the message on the RNA DNA AND RNA 4.2. DNA Mutation Notes and Ppt. Think of a medical transcriptionist copying the physicians words into another format. IHDR � � h瀹 PLTE #*&57! DNA polymerase enzymes are specialized for different functions. DNA, RNA, DNA Replication, Protein Synthesis and Mutations Review Game! DNA stands for deoxyribonucleic acid, while RNA is ribonucleic acid.Although DNA and RNA both carry genetic information, there are quite a few differences between them. DNA Replication: process of creating a new DNA molecule 2. The enzyme DNA primase combines a short fragment of RNA (primer) with the complementary constituents of the parent DNA. The mechanism has been found to be similar to the replication of single stranded DNA. Unit 3. 20.12 in Weaver Another way to see that DNA replication is Bi-directional -- Cleave replicating SV40 viral DNA with a restriction enzyme that cuts it once. Title: DNA Replication Author: Robert and Marsha Goodman Last modified by: Bow School District Created Date: 4/13/2010 2:54:35 PM Document presentation format – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 56612b-YmEyM Regardless of organism, replication origins are unique DNA segments with multiple short repeats, recognized by multimeric origin-binding proteins, and usually contain an A-T rich stretch. In other words, it is the transfer of genetic information from DNA into RNA. Single-stranded DNA-binding proteins (SSBs) stabilize this complex. DNA Deoxyribonucleic acid DNA - a polymer of deoxyribonucleotides. ... DNA Polymerase DNA Polymerase catalyze the synthesis of a new strand of DNA They require an RNA primer with a free 3'-OH group They use deoxyribonucleoside-5-triphosphate precursors. DNA, rna, rEPLICATION, AND PROTEIN SYNTHESIS Notes. RNA Transcription: process of creating RNA from DNA 3. Turn to a Partner List all the similarities and differences with DNA and RNA RNA Structure RNA differs from DNA in 3 ways: RNA is a single strand RNA has the sugar ribose RNA has the nitrogen base uracil instead of thymine. Fully animated powerpoint of the structure of DNA and replication. Lagging Strand. Usually double stranded. RNA is similar to DNA except: 1. has on strand instead of two strands. 1st step: copy part of the DNA sequence into RNA (Ribonucleic Acid). RNA polymerase adds RNA nucleotides complimentary to the DNA strand 3. mRNA building is complete when the RNA polymerase reaches a Termination (stop) site on the DNA 4. DNA replication can occur only in one direction (but remember, these two strands are antiparallel). Introduction to RNA Gene expression: turning genes into specific traits, done by RNA. The usual replication machinery provides no way to complete the 5 ends, so repeated rounds of replication produce shorter DNA molecules. The RNA nucleotides are eventually replaced by DNA nucleotides when the DNA polymerase runs into them. were to be copied sequentially by 10,000 secretaries, one copying the output of another, the results would contain quite a lot of gibberish by the time the task was completed. The DNA Processes Power Point covers DNA replication and protein synthesis: DNA transcription and translation. Topoisomerase. Structure of DNA: DNA is a polymer of deoxyribonucleotides (or simply deoxynucleotides). DNA polymerase I. RNA primase. Fully Editable Teacher Edition. Learn vocabulary, terms, and more with flashcards, games, and other study tools. DNA polymerase III. 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