Microbiology with Diseases by Body System & Modified MasteringMicrobiology with Pearson eText -- ValuePack Access Card -- for Microbiology with Diseases by Body System Package
1st Edition
ISBN: 9780133857122
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Textbook Question
Chapter 7, Problem 2CT
A scientist uses a molecule of DNA composed of
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DNA replication is semi-conservative, this statement means that
Question 6 options:
a)
the new DNA molecules that are made are not identical to the original DNA molecule.
b)
the new DNA molecules that are made are only partially DNA since RNA primers are included.
c)
the new DNA molecules that are made are composed of one strand of the old DNA molecule and one strand of new DNA.
d)
of the two new DNA molecules made, one is entirely new DNA and one is entirely old new.
e)
the new DNA molecules that are made have a mixture of old and new DNA in each strand of the DNA duplex, randomly interspersed.
Match each of the following terms with the one definition that best describes it.
Any of the following: Uracil,
Cytosine, Thymine, Adenine,
Guanine
·····
Closes "nicks" between DNA
fragments, forming a covalent
bond that joins the fragments
together
Lays down a short chain of
nucleotides at the beginning of
DNA replication
Synthesizes mRNA from a DNA
template
Unwinds the DNA double helix
during DNA replication
Adds individual nucleotides to a
growing DNA strand during DNA
replication
1. RNA Polymerase
2. DNA Polymerase
3. Ligase
4. Primase
5. Helicase
6. Nitrogenous Base
DNA replication is called semi-
conservative because
of the
two new strands of DNA is old DNA from
the original DNA molecule and
is new DNA.
Answers to
choose from:
1) Half
2) All
3) None
Chapter 7 Solutions
Microbiology with Diseases by Body System & Modified MasteringMicrobiology with Pearson eText -- ValuePack Access Card -- for Microbiology with Diseases by Body System Package
Ch. 7 - DNA replication requires a large amount of energy,...Ch. 7 - Vibrio vulnificus Infection Greg enjoyed Floridas...Ch. 7 - Prob. 2TMWCh. 7 - Prob. 3TMWCh. 7 - Why is the genetic ancestry of microbes much more...Ch. 7 - Prob. 1CCSCh. 7 - Which of the following is most likely the number...Ch. 7 - Which of the following is a true statement...Ch. 7 - A plasmid is ___________. a. a molecule of RNA...Ch. 7 - Prob. 4MC
Ch. 7 - Prob. 5MCCh. 7 - Which of the following molecules functions as a...Ch. 7 - Prob. 7MCCh. 7 - Prob. 8MCCh. 7 - The Ames test ___________. a. uses auxotrophs and...Ch. 7 - Which of the following methods of DNA repair...Ch. 7 - Prob. 11MCCh. 7 - Prob. 12MCCh. 7 - Which of the following statements is true? a....Ch. 7 - Prob. 14MCCh. 7 - Although two cells are totally unrelated, one cell...Ch. 7 - Prob. 16MCCh. 7 - Prob. 17MCCh. 7 - Prob. 18MCCh. 7 - Prob. 19MCCh. 7 - Prob. 20MCCh. 7 - Prob. 21MCCh. 7 - Prob. 22MCCh. 7 - Prob. 23MCCh. 7 - Before mutations can affect a population...Ch. 7 - Prob. 25MCCh. 7 - Fill in the Blanks 1. The three steps in RNA...Ch. 7 - Fill in the Blanks 2. A triplet of mRNA...Ch. 7 - Fill in the Blanks 3. Three effects of point...Ch. 7 - Fill in the Blanks 4. Insertions and deletions in...Ch. 7 - Fill in the Blanks 5. An operon consists of...Ch. 7 - Prob. 6FIBCh. 7 - Prob. 7FIBCh. 7 - Fill in the Blanks 8. A gene for antibiotic...Ch. 7 - Fill in the Blanks 9. ______ are nucleotide...Ch. 7 - Fill in the Blanks 10. ____________ is a...Ch. 7 - Fill in the Blanks 11.________ RNA carries amino...Ch. 7 - Fill in the Blanks 12. ______ RNA and ______ RNA...Ch. 7 - How does the genotype of a bacterium determine its...Ch. 7 - List several ways in which eukaryotic messenger...Ch. 7 - Compare and contrast intrans and exons.Ch. 7 - Polypeptide synthesis requires large amounts of...Ch. 7 - Describe the operon model of gene regulation.Ch. 7 - Prob. 6SACh. 7 - Prob. 7SACh. 7 - Describe the formation and function of mRNA, rRNA,...Ch. 7 - Prob. 9SACh. 7 - Explain the central dogma of genetics.Ch. 7 - Compare and contrast the processes of...Ch. 7 - Fill in the following table:Ch. 7 - On the figure below, label DNA polymerase I, DNA...Ch. 7 - Prob. 2VICh. 7 - The drugs ddC and AZT are used to treat AIDS....Ch. 7 - Prob. 1CTCh. 7 - A scientist uses a molecule of DNA composed of...Ch. 7 - Explain why an insertion of three nucleotides is...Ch. 7 - How could scientists use siRNA to turn off a...Ch. 7 - Prob. 5CTCh. 7 - Prob. 6CTCh. 7 - Prob. 7CTCh. 7 - Prob. 8CTCh. 7 - Corynebacterium diphtheriae, the causative agent...Ch. 7 - Prob. 10CTCh. 7 - The endosymbiotic theory states that mitochondria...Ch. 7 - Hydrogen bonds between complementary nucleotides...Ch. 7 - On average, RNA polymerase makes one error for...Ch. 7 - We have seen that wobble makes the genetic code...Ch. 7 - If a scientist synthesizes a DNA molecule with the...Ch. 7 - What DNA nucleotide triplet codes for codon UGU?...Ch. 7 - Suppose you want to insert into your dog a gene...Ch. 7 - Using the following terms, fill in the following...
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- Sort the phrases into the appropriate bins depending on which protein they describe. 1) Binds at the replication fork 2) binds after the replication fork 3) binds ahead of the replication fork 4) breaks H-bonds between bases 5) prevents H-bonds between bases 6) breaks covalent bonds in DNA backbone Helicase: Topoisomerase: Single-strand binding protein:arrow_forwardWhich of the following enzymes can break, and rejoin, phosphodiester bonds during the normal DNA replication process in the chromosomes of E. coli cells? single-stranded binding proteins RNA polymerase topoisomerase DNA helicase DNA ligasearrow_forwardExplain how cells activate nucleic acids for polymerization. Explain why DNA is stable and why its structure dictates its replication mechanism. Explain why many RNA molecules exhibit tertiary structure, while most DNA molecules do not. Explain how DNA replication occurs from structural and enzymatic perspectives. Develop an understanding of nucleic acid biology outside a natural biological context (such as PCR, etc.)arrow_forward
- Describe 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_forwardThere are 6 parts to this question: This is a follow up to the prior question regarding the replication of the DNA strand below. The DNA strand is here for your reference and you do not need to do anything with or to it. TC GATATCGG AGCTATAGCC c) what enzyme separated the parental DNA template strands, d) what bonds were broken? e) what enzyme replicates DNA f) before DNA can be replicated/copied, what must be laid down to allow the enzyme in "e" to replicated the DNA (be specific)? g) our DNA is replicated in many "pieces", what enzyme connects these many "pieces" into one continuous DNA strand that becomes the sister chromatid? h) during what specific phase of the cell cycle does this DNA replication process occur? (This should be a review question from last topics we covered).arrow_forwardWhat proteins are crucial for creating and maintaining DNA replication forks? Choose the best explanation. Question 2 options: Helicase creates the replication fork; primase keeps the single strands from closing shut. Helicase creates the replication fork; single-strand binding proteins keep the single strands from reuniting. Ligase creates the replication fork; DNA polymerase II keeps the single strands from reuniting. Helicase creates the replication fork; ligase keeps the single strands from closing shut.arrow_forward
- Why is DNA replication described as “semiconservative?”arrow_forwardOne characteristic of the DNA molecule is its replication capability. What are the consequences of failures during DNA replication?arrow_forwardChoose the primary impact of the given agents to the genetic material. choices: arrrests DNA replication by inhibiting prokaryotic DNA gyrase prevent synthesis of deoxyribonucleotide compounds arrrests DNA replication by inhibiting eukaryotic DNA gyrase breakage of H-bonds by inserting chemicals in between double-strand DNA breakage single-strand DNA breakage deletion of genetic information cleaves the prokaryotic DNA Ciprofloxacin Nitrofurantoin Doxorubicin Illegitimate recombination Metronidazole Mercaptopurine X-rays Oxidative free radicals Daunorubicin Methotrexatearrow_forward
- Match each DNA Replication enzymes on the left with its function I) DNA Ligase II) DNA Polymerase II III) DNA Polymerase I IV) DNA Helicase V) Primase VI) DNA Polymerase III Proof reads DNA after replication and checks for mistakes Breaks hydrogen bonds holding adjacent base pairs together Synthesizes complimentary strands of DNA during DNA replication Builds RNA primers Removes RNA primers and replaces them with DNA nucleotides during replication Joins adjacent DNA nucleotides to each otherarrow_forwardChoose the primary impact of the given agents on the genetic material. Choices: deletion of genetic information breakage of H-bonds by inserting chemicals in between double-strand DNA breakage prevents synthesis of deoxyribonucleotide components cleaves the prokarvotic DNA arrests DNA replication by inhibiting prokaryotic DNA gyrase single-strand DNA breakage arrests DNA replication by inhibiting eukaryotic DNA gyrase Doxorubicin Ciprofloxacin Mercaptopurine Nitrofurantoinarrow_forwardChoose the primary impact of the given agents on the genetic material. Choices: deletion of genetic information breakage of H-bonds by inserting chemicals in between double-strand DNA breakage prevents synthesis of deoxyribonucleotide components cleaves the prokarvotic DNA arrests DNA replication by inhibiting prokaryotic DNA gyrase single-strand DNA breakage arrests DNA replication by inhibiting eukaryotic DNA gyrase 1. Oxidative free radicals 2. Metronidazole 3. Illegitimate recombinationarrow_forward
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