BROCK BIOL. OF MICROORGAN.-W/ACCESS >I
15th Edition
ISBN: 9780134810058
Author: MADIGAN
Publisher: PEARSON
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Chapter 7.2, Problem 1MQ
Summary Introduction
Bacterial chromosome is circular in shape. The entire genome of the prokaryotes lies in this circle however in some cases additional circles are seen known as plasmids. Reproduction in bacteria occurs by binary fission. When the bacterial DNA (deoxyribo
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Chapter 7 Solutions
BROCK BIOL. OF MICROORGAN.-W/ACCESS >I
Ch. 7.1 - What is the utility of a reporter gene?Ch. 7.1 - Prob. 2MQCh. 7.1 - Prob. 1CRCh. 7.2 - Prob. 1MQCh. 7.2 - Prob. 2MQCh. 7.2 - Prob. 1CRCh. 7.3 - What is the divisome?Ch. 7.3 - How does FtsZ find the cell midpoint of a...Ch. 7.3 - What is the role of the penicillin-binding protein...Ch. 7.4 - How does MreB control the shape of a rod-shaped...
Ch. 7.4 - What protein is thought to control the shape of...Ch. 7.4 - What relationships exist between cytoskeletal...Ch. 7.4 - What morphology do cells have that lack MreB or...Ch. 7.5 - Prob. 1MQCh. 7.5 - What is transpeptidation and why is it important...Ch. 7.5 - Prob. 1CRCh. 7.6 - How are different sets of genes expressed in the...Ch. 7.6 - Prob. 2MQCh. 7.6 - Prob. 1CRCh. 7.7 - Why are the levels of DnaA protein controlled...Ch. 7.7 - Prob. 2MQCh. 7.7 - Prob. 1CRCh. 7.8 - Prob. 1MQCh. 7.8 - What is the major transcriptional regulator that...Ch. 7.8 - What is meant by "patterning" during heterocyst...Ch. 7.9 - What are the four basic stages of biofilm...Ch. 7.9 - Besides autoinducer synthesis, what intracellular...Ch. 7.9 - What type of genes does c-di-GMP activate during...Ch. 7.10 - Describe two targets of antibiotics and discuss...Ch. 7.10 - Prob. 2MQCh. 7.10 - Prob. 3MQCh. 7.10 - Prob. 1CRCh. 7.11 - Is persistence a heritable trait?Ch. 7.11 - What prevents the toxin component of TA modules...Ch. 7.11 - Prob. 3MQCh. 7.11 - Prob. 1CRCh. 7 - If DnaA was not regulated in Escherichia coli and...Ch. 7 - Explain how cells exhibiting different phenotypes...Ch. 7 - Describe how you would genetically design a...
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- What is The molecular mechanisms governing the initia-tion of DNA replication.arrow_forwardDuring the resolution of the two Holliday junctions, how many strands of DNA in total are broken during this process? Does the number differ depending on if this leads to recombination or non-recombination?”arrow_forwardWhat would happen to DNA repair in bacteria if MutH is mutated such that is cannot recognize the hemi- methylated strand of DNA?arrow_forward
- Which are the most important features of DNA replication reflect threestrict requirements for DNA polymerase action?arrow_forwardIn eukaryotes, what is meant by the term DNA replication licensing? How does the process occur?arrow_forwardHow does the synthesis of a daughter DNA strand growing toward a replication fork differ from the syn- thesis of a daughter DNA strand growing away from a replication fork?arrow_forward
- If DNA polymerase requires a perfectly pairedprimer in order to add the next nucleotide, how is it thatany mismatched nucleotides “escape” this requirementand become substrates for mismatch repair enzymes?arrow_forwardOne way that bacterial cells regulate DNA replication is through GATC methylation sites within the origin of replication. Would this mechanism work if the DNA was conservatively (rather than semiconservatively) replicated?arrow_forwardHow fast does template DNA spin (expressed in revolutions per second) at an E. coli replication fork?arrow_forward
- What are the requirements for in vitro synthesis of DNA under thedirection of DNA polymerase I?arrow_forwardSince RNA polymerase has an error rate of 1 / 10^4 nucleotides, and the DNA polymerase has an error rate of 1 / 10^7 nucleotides, can cells tolerate errors made in transcription in comparison to errors made during DNA replication?arrow_forwardWhat is one enzyme that is involved with DNA replication and how would the absence of this enzyme affect replication of both prokaryotic and eukaryotic DNA?arrow_forward
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