Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Textbook Question
Chapter 3, Problem 19RQ
Which of the following is part of the elongation step of DNA synthesis?
- pulling apart the two DNA strands
- attaching complementary
nucleotides to the template strand - untwisting the DNA helix
- none of the above
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DNA replication is said to be semiconservative because ___
Synthesis can proceed uninterrupted (as a leading strand) in only one direction
Each new DNA strand contains one parent strand and one new strand
After each round of DNA replication, the original DNA strands joins
None of the above
Which of the following statements BEST describes the process of DNA Replication?
Group of answer choices
The two strands of the parental molecule separate and serves as template for synthesis of a new strand.
Each new strand is identical to its template strand.
Each strand of both daughter molecules contains a mixture of old and newly synthesized DNA.
The two parental strands reassociate after acting as templates for new strands restoring the parental double helix.
Which of the following statements are TRUE?I. DNA replication is a semiconservative process wherein the two resulting double helices consist of one new strand and one parental strand.II. The DNA strand that is used to make a complementary daughter strand is called the parental strand.III. The precursor of each new nucleotide in the DNA strand is a deoxynucleoside 3′-triphosphate.IV. The incoming nucleotide always attaches to 5′-phosphate of the previously added nucleotide
Chapter 3 Solutions
Anatomy & Physiology
Ch. 3 - Visit this link...Ch. 3 - Watch this video...Ch. 3 - Watch this video...Ch. 3 - Watch this video...Ch. 3 - Visit this link...Ch. 3 - Because they are embedded within the membrane, ion...Ch. 3 - The diffusion of substances within a solution...Ch. 3 - Ion pumps and phagocytosis are both examples of...Ch. 3 - Choose the answer that best completes the...Ch. 3 - Choose the term that best completes the following...
Ch. 3 - The rough ER has its name due to what associated...Ch. 3 - Which of the following is a function of the rough...Ch. 3 - Which of the following is a feature common to all...Ch. 3 - Which of the following organelles produces large...Ch. 3 - The nucleus and mitochondria share which of the...Ch. 3 - Which of the following structures could be found...Ch. 3 - Which of the following sequences on a DNA molecule...Ch. 3 - Place the following structures in order from least...Ch. 3 - Which of the following is part of the elongation...Ch. 3 - Which of the following is not a difference between...Ch. 3 - Transcription and translation take place in the...Ch. 3 - How many letters of an RNA molecule, in sequence,...Ch. 3 - Which of the following is not made out of RNA? the...Ch. 3 - Which of the following phases is characterized by...Ch. 3 - A mutation in the gene for a cyclin protein might...Ch. 3 - What is a primary function of tumor suppressor...Ch. 3 - Arrange the following terms in order of increasing...Ch. 3 - Which type of stem cell gives rise to red and...Ch. 3 - What multipotent stem cells from children...Ch. 3 - What materials can easily diffuse through the...Ch. 3 - Why is receptor-mediated endocytosis said to be...Ch. 3 - What do osmosis, diffusion, filtration, and the...Ch. 3 - Explain why the structure of the ER, mitochondria,...Ch. 3 - Compare and contrast lysosomes with peroxisomes:...Ch. 3 - Explain in your own words why DNA replication is...Ch. 3 - Why is it important that DNA replication take...Ch. 3 - Briefly explain the similarities between...Ch. 3 - Contrast transcription and translation. Name at...Ch. 3 - What would happen if anaphase proceeded even...Ch. 3 - What are cyclins and cyclin-dependent kinases, and...Ch. 3 - Explain how a transcription factor ultimately...Ch. 3 - Which of the following structures could be found...
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- What is the function of DNA polymerase? a. It degrades DNA in cells. b. It adds RNA nucleotides to a new strand. c. It coils DNA around histones to form chromosomes. d. It adds DNA nucleotides to a replicating strand. e. None of these.arrow_forwardEnergy that drives the attachment of a nucleotide to the end of a growing strand of DNA comes from ________. a. the nucleotide b. DNA polymerase c. phosphate-group transfers from ATParrow_forwardWhich of the following is part of the elongation step of DNA synthesis?a. pulling apart the two DNA strandsb. attaching complementary nucleotides to the template strandc. untwisting the DNA helixd. none of the abovearrow_forward
- What determines the nucleotide sequence of the newly synthesized strand during DNA replication? the particular DNA polymerase catalyzing the reaction the relative amounts of the four nucleoside triphosphates in the cell the nucleotide sequence of the template strand the primase used in the reaction the arrangement of histones in the sugar phosphate backbonearrow_forwardThe best explanation for why DNA synthesis is discontinuous would be that ____. DNA polymerase can only move along the DNA strand in one direction This allows for efficient error checking of newly synthesized DNA DNA polymerase must stop periodically to reload more nucleotides None of the abovearrow_forwardWhich of the following statements are TRUE?I. DNA replication is a semiconservative process wherein the two resulting double helices consist of one new strand and one parental strand.II. The DNA strand that is used to make a complementary daughter strand is called the parental strand.III. The precursor of each new nucleotide in the DNA strand is a deoxynucleoside 3′-triphosphate.IV. The incoming nucleotide always attaches to 5′-phosphate of the previously added nucleotide a. I only b. II only c. I and IV d. III and IVarrow_forward
- DNA replication is called semi-conservative because ___ (all, all or none) of the two new strands of DNA is old DNA from the original DNA molecule and ___ (all, all or none) is new DNA.arrow_forwardWhich of the following involves remarkable capacity of short segment of DNA to move from one place to another?a) DNA transpositionb) DNA replicationc) Translationd) Transcriptionarrow_forwardIn the diagram below, a dotted line represents newly-synthesized DNA. What process is being shown? semi-conservative DNA replication DNA transcription RNA transcription translation conservative DNA replicationarrow_forward
- Which of the following statements is/are TRUE for DNA Replication? Two daughter DNAs are formed, each one contains an old and new strands. When the (parent) DNA strands unwind, the 3'→ 5' strand is the leading strand while the 5'→3' strand is the lagging strand. Requires dATP, dTTP, dGTP, dCTP and Mg2+ The replisome is the biological machine responsible in replicating DNA.arrow_forwardWhich of the following statements about DNA replication is correct? Group of answer choices the leading strand is replicated continuously, while the lagging strand is replicated discontinuously on the leading strand, the new nucleotides are added only to the 5' end of the nucleotide chain on the lagging strand, the new nucleotides are added only to the 5' end of the nucleotide chain DNA polymerase works from 3'--> 5' onlyarrow_forwardDNA replication is vital for successful cell division. Explain the process of DNA replication. Make sure to use the following terms: helicase, S-phase, DNA polymerase and DNA ligase, template, free nucleotides. Use the diagram if it helps you illustrate your points.arrow_forward
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