Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 11, Problem 4TY
Summary Introduction
Introduction: DNA stands for “Deoxyribonucleic acid”. It is a
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Choose the combination of answers that most accurately completes the statement. Why must the lagging strand of DNA be replicated in short pieces? a. because of limited space b. otherwise, the helix will become distorted c. the DNA polymerase can synthesize in only one direction d. to make proofreading of code easier
Choose the combination of answers that most accurately completes the statement.Why must the lagging strand of DNA be replicated in short pieces? a. because of limited space b. otherwise, the helix will become distorted c. the DNA polymerase can synthesize in only one direction d. to make proofreading of code easier
What is a reasonable length for an RNA primer in E.coli?
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1000 nucleotides
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100 nucleotides
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50 nucleotides
D.
a few nucleotides
Chapter 11 Solutions
Biology
Ch. 11.1 - Prob. 1CSCh. 11.1 - Prob. 1EQCh. 11.1 - Prob. 2EQCh. 11.1 - CoreSKILL In the experiment of Avery, MacLeod,...Ch. 11.2 - Prob. 1CCCh. 11.2 - Prob. 2CCCh. 11.2 - Core Skill: Modeling The goal of this modeling...Ch. 11.2 - Prob. 2CSCh. 11.3 - If this experiment was conducted for four rounds...Ch. 11.4 - Molecular Mechanism of DNA Replication Concept...
Ch. 11.4 - Prob. 2CCCh. 11.4 - Prob. 3CCCh. 11.4 - Prob. 4CCCh. 11.5 - Prob. 1CCCh. 11.5 - Prob. 1CSCh. 11 - Why did researchers initially believe that the...Ch. 11 - Prob. 2TYCh. 11 - Which of the following equations is accurate...Ch. 11 - Prob. 4TYCh. 11 - Which of the following statements about the...Ch. 11 - Meselson and Stahl were able to demonstrate...Ch. 11 - During replication of a DNA molecule, the daughter...Ch. 11 - Prob. 8TYCh. 11 - A nucleosome is a. a dark-staining body composed...Ch. 11 - The conversion of euchromatin into heterochromatin...Ch. 11 - What are the four key criteria that the genetic...Ch. 11 - A double-stranded DNA molecule contains 560...Ch. 11 - Prob. 3CQCh. 11 - Prob. 1COQCh. 11 - CoreSKILL How might you provide evidence that DNA...
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- Given the following sequence for one strand of a double-strand oligonucleotide: 5’ACCGTAAGGCTTTAG3’ a. Write the sequence for the complementary DNA strand. b. Write the sequence of the RNA complementary to the strand shownarrow_forwardWhich dna strand will be synthesized continuously during dna replication? a.The strand that is synthesized as Okazki Fragments b.the strand which is synthesized in the opposite direction compared to the direction of DNA unwinding? c.the strand which is sythesized in the same direction as the same direction of DNA unwinding? d.The m-RNA like strand e. The non-template strandarrow_forwardThe enzyme responsible for the joining of Okazaki fragments is a. helicase b. primase c. DNA ligase d. DNA topoisomerasearrow_forward
- What will most likely be the effect of the change in the DNA molecule? * A. the change will cause a harmful mutation B. the DNA molecule will be unable to replicate C. the organism will be reproduce D. the DNA molecules will code for a different protein Original strand: T A C G T A T G A A G C, Mutant strand: T A G C T A T G A A G C. what type of mutation? * A. Substitution B. Deletion C. Insertion D. Nonsense Which mechanism contributes to accuracy during DNA Replication? * A. The mismatch repair system recognizes an incorrect base-pair and corrects the mistake in the non-methylated strand B. Using primers increase accuracy because the first nucleotides is a new nucleic acid chain are more like to be correct. C. all DNA polymerase have a 5'-3' exonuclease activity which can remove…arrow_forwardWhich of the sequences below would serve as a PCR primer that would bind this DNA strand: 5'- AAATTTGGGCCCTTTGGGAAACCC-3, and lead to successful elongation? Select one: O a. 5'-GGGTTTCCC-3" O b.3'-GGGTTTCCC-5" O c. 5'-AAATTTGGG-3 O d.3'-AAATTTGGG-5 O e. 5'-CCCAAAGGG-3"arrow_forwardWhich repeating sequence below would you expect to find on the end of the longest DNA strand of a chromsome (select one)? A. 5'-TTTTTT-3' B. 5'-TTAGGG-3' C. 5'-CCCTAA-3' D. 5'-AAAAAA-3' E. 5'-GGATCC-3'arrow_forward
- The two strands of a DNA double helix can be separated by heating. if you raised the temperature of a solution containing the following three DNA molecules, in what order do you suppose they would “melt”? explain your answer.A. 5’-GCGGGCCAGCCCGAGTGGGTAGCCCAGG-3’ 3’-CGCCCGGTCGGGCTCACCCATCGGGTCC-5’ B. 5’-ATTATAAAATATTTAGATACTATATTTACAA-3’ 3’-TAATATTTTATAAATCTATGATATAAATGTT-5’C. 5’-AGAGCTAGATCGAT-3’ 3’-TCTCGATCTAGCTA-5’arrow_forwardWhy are Okazaki fragments formed? A. Okazaki fragments are the result of discontinuous replication due to the supersecondary structure of the DNA B. Okazaki fragments are the result of discontinuous replication resulting from the polymerization that proceeds in the 5'-3' direction. C. Okazaki fragments are the result of discontinuous replication resulting from the polymerase having to wait for the primase to add primers so it can proceed in the 5'-3' direction of synthesis. D. Okazaki fragments are formed because endonucleases have to correct errors of replication. E. Okazaki fragments are formed when the 5'-3' complementary strand is the template for replication.arrow_forwardEnzymes can break down the DNA catalyze the hydrolysis of the covalent bonds that join nucleotides together. What would happen to DNA molecules treated with these enzymes? a. The two strands of the double helix would separate b. The phosphodiester linkages of the polynucleotide backbone would be broken. c. The pyrimidines would be separated from the deoxyribose sugar. d. All bases would be separated from the deoxyribose sugars.arrow_forward
- Create the RNA strand to be synthesized from the DNA double strand below and explain this synthesis, including the functions of the molecules responsible for synthesis. 5-ATCGCTTGTTCGGAA-3 3-TAGCGAACAAGCCTT-5arrow_forwardWhat is DNA polymerase? a.An enzyme that carries out DNA replication b.Short, single strand of DNA that base-pairs with a specific DNA sequence c.An enzyme that corrects mutations that arise during the replication of DNA d.An enzyme that seals any gaps that remain between bases of replicating strands of DNAarrow_forwardWhich DNA polymerase in prokaryotes is involved in the replacement of primers with deoxynucleotides? a.DNA-Pol I b.DNA-Pol II c.DNA-Pol Ill d.DNA-Pol IVarrow_forward
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