Match the enzyme on the left with its role in DNA replication DNA polymerase l helicase DNA ligase DNA polymerase III topoisomerase primase I replaces primers with DNA connects Okazaki fragments to form a continuous strand of DNA synthesizes short RNA fragments used to initiate DNA synthesis Uses the 3'OH of an RNA primer to synthesize the leading strand and Okazaki fragments keeps DNA from getting tangled up ahead of the replication fork "unwinds" the DNA double helix at the origin and replication forks Next

Match the enzyme on the left with its role in DNA replication DNA polymerase l helicase DNA ligase DNA polymerase III topoisomerase primase I replaces primers with DNA connects Okazaki fragments to form a continuous strand of DNA synthesizes short RNA fragments used to initiate DNA synthesis Uses the 3'OH of an RNA primer to synthesize the leading strand and Okazaki fragments keeps DNA from getting tangled up ahead of the replication fork "unwinds" the DNA double helix at the origin and replication forks Next

Name: Match the enzyme on the left with its role in DNA replicationDNA poly
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Description: Match the enzyme on the left with its role in DNA replicationDNA polymerase IhelicaseDNA ligaseDNA polymerase IIItopoisomeraseprimase72Ww#3E$4R%5TA6MacBook ProY&7U*8replaces primers with DNAconnects Okazaki fragments to form a continuous strand of D

Biochemistry

6th Edition

ISBN:9781305577206

Author:Reginald H. Garrett, Charles M. Grisham

Publisher:Reginald H. Garrett, Charles M. Grisham

Chapter28: Dna Metabolism: Replication, Recombination, And Repair

Section: Chapter Questions

Problem 22P

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5-ccuaaucg-34 3'-acctgcctataccggattagetetgatectaagcatgtc-5 The diagram above shows an RNA primer hydrogen-bonded to a DNA template. Which letter indicates the site where DNA polymerase would add nucleotides to this structure? OA OB D Any of these is possible C
Considening the structure of DNA, what kind of bonds hold one nucleotide to another within one side of the DNA molecule? O hydrogen O phosophodiester O lonic peptide
Please match the following enzymes with their correct functions. Primase, Gyrase, Ligase, Polymerase, Helicase, Topoisomerase 1.Unwinds DNA at the replication fork. 2.Makes and reseal breaks in the double-helical DNA to release the torque that builds up as a result of unwinding at the replication fork. 3.Synthesizes a short RNA to provide a 3’ -OH group for the attachment of DNA nucleotides. 4.Removed RNA primers and replace them with DNA. 5.Joins Okazaki fragments.
Origin of replication [ Choose ] [Choose] Codon Complementary pairs with cytosine in a DNA molecule The site of protein synthesis Ribozyme This molecule can begin the synthesis of a polymer of nucleotides without a primer A short peice of lagging stand DNA Primase A reflection of redundancy in the genetic code RNA which exhibits enzymatic properties Okazaki Fragment The process of making RNA from DNA Helicase DNA polymerase Transcription Enzyme which lays down a segment of RNA on replicating DNA so that DNA nucleotides can polymerize A sequence of three nucletotides which codes for an amino acid Ribosome Point Mutation Chromosome Wobble Position The point on a stand of DNA where replication begins Mitochondria RNA polymerase [ Choose ] Guanine
vvnicn the following statements are correct about the repair of a DNA duplex containing the sequence below that is grown INE coli (select all that apply)? Strand A Strand B GATCTAGCCGGCATCCGAT CTAGATCGGACGTAGGCTA Methyl ✔A. MutH cleaves Strand A O B. DNA repair will result in the bold A in strand B being replaced with a C O C. DNA repair will result in the bold G in strand A being replaced with a T ✔ D. Defect will not be properly repaired in dam(-) E coli O E. The mammalian repair system would also correct the mismatch shown based on the methylation status of the DNA
to 4 minutes) The schematic diagram below shows organization of the DNA replication fork. Match parts of the diagram (labeled A-F) with the corresponding term from the answer list (designated 31 parental duplex 5' 3' fork progression v A 1Lagging strand 2. An Okazaki tragment 3.Site of action of DNA topoisomerase 4 Leading strand 5. Site of action of DNA helicCase 6.Site of action of DNA ligase
This is the original strand of DNA: ATG AAG TTT GGC TAA - what would represent a frameshift mutation due to deletion during replication ?
40 Shown below is the antisense strand of DNA. What is the amino acid sequence that corresponds to this code? 5' AAAGCATACCGG 3' Second letter G. UUU Phe UCU UAU) Tyr UGC Cys UGU UUC UCC UAC Ser UAA Stop UGA Stop A UAG Stop UGG Trp UUA UCA UUG Leu UG CAU His CGU CGC CGA CGG CU CUU CUC CUA CUG CAC Pro Leu Arg CCA CAA) Gin CCG CAG AAU AUU AUC lle AUA AUG Met ACG ACU AGU AAC Asn AGC Ser ACC ACA Thr AAA1 AGA AAG Lys AGG Arg GAU) Asp GGC GAC Ala GAA GGU GUU GUC GUA Val GCU GCC Gly GCA GGA Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a PRO-VAL-SER-PHE PHE-ARG-MET-ALA GLY-HIS THR-LYS d LYS-ALA-TYR-ARG First letter Third letter
DNA Polymerase Holoenzyme IIlI is represented below. It consists of several domains with distinct functions. The structure capable of 5' to 3' DNA polymerization is represented by the letter and the structure capable of 3' to 5' exonuclease activity is represented by the letter B. -D DNA Pol II holoenzyme D; A А; С А;B А А; D В; D O O
TRANSLATE this RNA sequence: AUGCAAUGA Met-Gln-Stop Met-His-Stop Thr-Glu-Stop Thr-Pro-Stop What would happen if the nitrogen base second to the last of the sequence will undergo a point mutation, (G turning to A) Met-Gin-Stop Met-His-Stop Thr-Glu-Stop Thr-Pro-Stop The DNA sequence ATCAGCGCTGGC is part of a gene. how many amino acids are coded for by this message? O 4 8. 12 20 Option 5 For the lab part: how is DNA used for catching crime suspects. Describe the procedure and cite a particular example where it helped solve a case or absolved an innocent person from any wrongdoing. Your answer O O
Match the components of bacterial replication and transcription correctly. v [Choose ] Topoisomerase Il helicase loader RNA polymerase must accumulate enough for DNA replication to begin Single stranded binding protein sigma factor proteins of the RNA polymerase adds nucleotides to RNA transcript DnaA bacterial helicase DNA gyrase - needed for recognition of promoter site in transcription Beta clamp DNA polymerase Tau complex two alpha units, beta, beta prime, and omega Dnac [ Choose ) DnaB ( Choose]
Cynt Classifying mutations A certain section of the coding (sense) strand of some DNA looks like this: $-ATGTATATCTCCAGTTAG-3" It's known that a very small gene is contained in this section. Classify each of the possible mutations of this DNA shown in the table below. mutant DNA 5- ATGTATCATCTCCAGTTAG-3' S-ATGTATATCTCCAGTTAG-3 5- ATGTATATATCCAGTTAG-3' type of mutation (check all that apply) insertion deletion point silent noisy insertion O deletion point silent noisy insertion O deletion point silent Onoisy X G