BIOLOGY:CONCEPTS+INVEST.-CONNECT ACCESS
5th Edition
ISBN: 9781260542233
Author: Hoefnagels
Publisher: MCG
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Question
Chapter 8.2, Problem 3MC
Summary Introduction
Introduction: DNA (deoxyribonucleic acid) serves as the genetic material for most living organisms except some viruses. It is a double helical structure consisting of repeated units of deoxyribonucleotides. The two strands of DNA are wrapped around each other in a helical manner. During replication, one strand is considered the leading strand while the other is the legging strand.
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Chapter 8 Solutions
BIOLOGY:CONCEPTS+INVEST.-CONNECT ACCESS
Ch. 8.1 - Explain the roles of mitotic cell division,...Ch. 8.1 - Prob. 2MCCh. 8.2 - Prob. 1MCCh. 8.2 - Prob. 2MCCh. 8.2 - Prob. 3MCCh. 8.2 - Prob. 4MCCh. 8.3 - Which cell types divide by binary fission?Ch. 8.3 - Prob. 2MCCh. 8.4 - Prob. 1MCCh. 8.4 - Prob. 2MC
Ch. 8.5 - Prob. 1MCCh. 8.5 - Prob. 2MCCh. 8.5 - Prob. 3MCCh. 8.5 - Prob. 4MCCh. 8.5 - Distinguish between mitosis and cytokinesis.Ch. 8.6 - Prob. 1MCCh. 8.6 - Prob. 2MCCh. 8.6 - Prob. 3MCCh. 8.6 - Prob. 4MCCh. 8.6 - Prob. 5MCCh. 8.7 - Prob. 1MCCh. 8.7 - Prob. 2MCCh. 8.8 - Prob. 1MCCh. 8.8 - Prob. 2MCCh. 8 - A DNA molecule is placed in a test tube containing...Ch. 8 - Prob. 2MCQCh. 8 - Prob. 3MCQCh. 8 - Prob. 4MCQCh. 8 - Prob. 5MCQCh. 8 - Prob. 1WIOCh. 8 - Write and explain an analogy for each of these DNA...Ch. 8 - Obtain a rubber band and twist it as m any times...Ch. 8 - Sketch and describe the events that occur when a...Ch. 8 - Prob. 5WIOCh. 8 - List the ways that binary fission is similar to...Ch. 8 - Prob. 7WIOCh. 8 - Prob. 8WIOCh. 8 - Prob. 9WIOCh. 8 - Prob. 1PITCh. 8 - Prob. 2PITCh. 8 - Prob. 3PIT
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- Illustrate the mechanism of a semiconservative model of DNA replication.arrow_forwardDescribe how continuous replication proceeds. Describe how discontinuous replication proceeds.arrow_forwardDefine DNA replication/synthesis and semiconservative replication. In addition, describe and/or define the role(s) of each of the following in the process of DNA replication/synthesis: DNA template strand, 5’ and 3’ ends, DNA helicase, DNA polymerase, single-strand binding proteins, topoisomerase, primase, Okazaki fragments, leading strand and lagging strand.arrow_forward
- The purpose of DNA gyrase in replication is: to relieve positive supercoiling induced by unwinding the DNA during replication. to induce tighter coiling in supercoils. to remove the RNA primers from the lagging strand at each Okazaki fragment to start unwinding and separate the DNA to initiate replication to provide energy to remove a diphosphate fragment from each nucleoside triphosphate.arrow_forwardName an important difference in the replication of circular DNA versus linear double-stranded DNA.arrow_forwardDescribe how replication makes copies of DNA. Include the following: helicase polymerase primase and primer ligase leading strand lagging strand base pairing rule (a-t, c-g) nucelotide nucleus semiconservativearrow_forward
- Describe the synthesis of the leading strand during DNA replication. Assume the replication bubble is open and helicase has already opened the strand. Be as detailed as possible for full credit.arrow_forwardList the differences and similarities in the way the twodaughter strands of DNA are synthesized at a replicationfork.arrow_forwardProvide a detailed description with a hand-drawn figure of the role DNA recombination plays in replication and repair.arrow_forward
- Briefly discuss the pros and cons of having a nucleoid (as bacteria do) versus a double nuclear membrane surrounding the DNA (as in eukaryotes). List and explain three reasons why DNA replication is very accurate.arrow_forwardMatch the following descriptions with the enzymes involved in DNA replication. 1. Adds an RNA primer to begin elongation 2. Removes the RNA primer from the beginning of the newly constructed strands 3. Splices lagging strand segments 4. Cleaves the rung of the DNA double helix ladder Description: DNA DNA Helicase Primase Enzyme: Polymerase Ligasearrow_forwardIdentify two important enzymes involved in replication. Where does replication occur in the cell? What is the product of replication? Why is replication important to the cell and living organism? What is the process of copying DNA called?arrow_forward
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