Homework Answers
34.) In Hfr strains, F plasmid is integrated in the chromosome.
35.) mRNA is not found during DNA replication.
36.) Mutation that alters the reading frame of a gene is called as Frameshift mutation .
37.) RNA and Proteins functions in regulating gene expression.
38.) Conjugation requires a cytoplasmic connection between two bacterium for DNA transfer.
39.) Phage Mu is a temprate phage , which means that it integrates it's DNA genome into host cell chromosome.
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QUESTION 34 In Hfr strains, the F plasmid is attached to a phage attached to the...
QUESTION 12 The first step in the infection cycle of a virus is replication of its...
QUESTION 12 The first step in the infection cycle of a virus is replication of its genome degradation of the host genome lysis of the host cell attachment to the host cell surface QUESTION 13 Which of the following is NOT a true statement about regulons? Regulons are known to be under positive and negative control Regulons are only known to be under positive control. A regulon describes two or more operons that are under the control of the same...
QUESTION 26 Which type of viruses can be directly used for translation? negative SSRNA positive SSRNA...
QUESTION 26 Which type of viruses can be directly used for translation? negative SSRNA positive SSRNA retroviruses dsRNA QUESTION 27 Which process uses the regulatory nucleotides such as guanosine tetraphosphate pppp? quorum sensing catabolite repression stringent response nitrogen assimilation Click Save and Submit to save and submit. Click Save All Answers to save all ansters. - @ ch. 18 PT AP noppbe Ch. 16 PPT AP n..pptx - o Ch.17 PPT AP n...pptx e ê- DELL QUESTION 24 Repressor proteins...
QUESTION 1 In E. coll, what two promoter regions are recognized by the s70 subunit? the...
QUESTION 1 In E. coll, what two promoter regions are recognized by the s70 subunit? the -10 and 35 regions the - 10 region and the Pribnow box the-10 and -70 regions the-35 and -70 regions QUESTION 2 Which protein must first bind to the origin of replication for DNA synthesis to begin? DNA polymerase DnaA helicase Single-strand binding protein Click Save and Submit to save and submit. Click Save All Answers to save all answers. 2 Ch 16 PPT...
QUESTION 20 Which class of restriction enzymes is most useful in gene cloning? type ! type...
QUESTION 20 Which class of restriction enzymes is most useful in gene cloning? type ! type II type III modifying enzymes QUESTION 21 Acyl homoserine lactones are small molecules involved in which process? catabolite repression nitrogen assimilation stringent response quorum sensing Click Save and Submit to save and submit. Click Save All Answers to save all answers. Ch. 16 PPT AP no...pptx - Ch 17 PPT AP no...pptx Ch. 18 PPT AP no...pptx o e Ê- DELL QUESTION 22 Which...
QUESTION 50 A virus whose genome is replicated in synchrony with the host cell genome is...
QUESTION 50 A virus whose genome is replicated in synchrony with the host cell genome is known as lytic virulent viroid temperate QUESTION 51 In poliovirus, cleavage of the polyprotein is accomplished by multiple host cell proteases O a host cell protease a virus-encoded protease host cell proteasome Click Save and Submit to save and submit. Click Save All Answers to save all answers. Ch 16 PPT AP no...pptx Ch. 17 PPT AP no.pptx4 0 Ch 18 PPT AP no.ppt...
forme este New York State Depart Request for COMID-19 * Take Test LECTURE EX G Which...
forme este New York State Depart Request for COMID-19 * Take Test LECTURE EX G Which b bhosted.cuny.edu/webapps/assessment/take launch ofcourse assessment id. 1399019 1course de 16 € > C Remaining Time 39 minutes, 18 seconds Question Completion Status QUESTION 39 Two human diseases caused by viruses are O polio and bovine spongiform encephalopathy smallpox and polio O malaria and tuberculosis smallpox and bovine spongiform encephalopathy QUESTION 40 A process that requires a virus to transfer DNA between two bacterial cells...
22. (2 pts) The following step(s) occur in replication of both Bdellovibrio and a lytic virus...
22. (2 pts) The following step(s) occur in replication of both Bdellovibrio and a lytic virus such as T4, pathogens of E. coli. A. The genetic material of the pathogen is injected into the host cell B. The pathogen carbohydrates in the host to replicate itself. uses C. The host cell lyses, releasing the replicated pathogen D. The host cell DNA polymerase replicates the pathogen genome. 23. (2 pts) Phage are composed of nucleic acid and protein. Which of the...
Please explain why your choice is correct. 6. If a double-strand DNA phage that specified its...
Please explain why your choice is correct.
6. If a double-strand DNA phage that specified its own RNA polymerase suffered a mutation in the gene encoding that enzyme, infection of a susceptible host cell with the mutant phage would result in: a. Expression of phage late genes but not phage early genes. b. Complete phage replication and progeny output since the pre- existing host RNA polymerase could substitute for the phage polymerase. C. No phage gene expression at all. d....
Chromosome Figure 6 Fiqure 7 R plasmid F plasmid integrated into host chromosome Sex pilus chromosome...
Chromosome Figure 6 Fiqure 7 R plasmid F plasmid integrated into host chromosome Sex pilus chromosome of recipient Figure 8 Double- Cel stranded Cytoplasmic ll ONA Integrated DNA Treat with electric current Recipient cell Fragments of donor DNA Transformed cell Phage Figure 9 Figure 10 Phage DNA enters the cell Bacterial host #1 앗 O E. coli F plasmid Gov Integration of F plasmid Bacterial DNA -Bacterial host #2 85 Replaced host DNA Bacterial DNA I Which diagram(s) depict conjugation?...
Notice that the genes for lysogeny are clustered in an operon on the "left" side of...
Notice that the genes for lysogeny are clustered in an operon on
the "left" side of the phage plasmid, while the genes for lysis are
clustered in an operon on the "right" side of the plasmid.
At the beginning of each infection, transcription begins at two
"early" promoters.
"Leftward" genes
Early promoter PLcontrols leftward
transcription of early genes, beginning with the N gene.
The N protein plays an anti-termination role in transcription from
PL. Leftward transcription is also enhanced by...
QUESTION 12 The first step in the infection cycle of a virus is replication of its genome degradation of the host genome lysis of the host cell attachment to the host cell surface QUESTION 13 Which of the following is NOT a true statement about regulons? Regulons are known to be under positive and negative control Regulons are only known to be under positive control. A regulon describes two or more operons that are under the control of the same...
QUESTION 26 Which type of viruses can be directly used for translation? negative SSRNA positive SSRNA retroviruses dsRNA QUESTION 27 Which process uses the regulatory nucleotides such as guanosine tetraphosphate pppp? quorum sensing catabolite repression stringent response nitrogen assimilation Click Save and Submit to save and submit. Click Save All Answers to save all ansters. - @ ch. 18 PT AP noppbe Ch. 16 PPT AP n..pptx - o Ch.17 PPT AP n...pptx e ê- DELL QUESTION 24 Repressor proteins...
QUESTION 1 In E. coll, what two promoter regions are recognized by the s70 subunit? the -10 and 35 regions the - 10 region and the Pribnow box the-10 and -70 regions the-35 and -70 regions QUESTION 2 Which protein must first bind to the origin of replication for DNA synthesis to begin? DNA polymerase DnaA helicase Single-strand binding protein Click Save and Submit to save and submit. Click Save All Answers to save all answers. 2 Ch 16 PPT...
QUESTION 20 Which class of restriction enzymes is most useful in gene cloning? type ! type II type III modifying enzymes QUESTION 21 Acyl homoserine lactones are small molecules involved in which process? catabolite repression nitrogen assimilation stringent response quorum sensing Click Save and Submit to save and submit. Click Save All Answers to save all answers. Ch. 16 PPT AP no...pptx - Ch 17 PPT AP no...pptx Ch. 18 PPT AP no...pptx o e Ê- DELL QUESTION 22 Which...
QUESTION 50 A virus whose genome is replicated in synchrony with the host cell genome is known as lytic virulent viroid temperate QUESTION 51 In poliovirus, cleavage of the polyprotein is accomplished by multiple host cell proteases O a host cell protease a virus-encoded protease host cell proteasome Click Save and Submit to save and submit. Click Save All Answers to save all answers. Ch 16 PPT AP no...pptx Ch. 17 PPT AP no.pptx4 0 Ch 18 PPT AP no.ppt...
forme este New York State Depart Request for COMID-19 * Take Test LECTURE EX G Which b bhosted.cuny.edu/webapps/assessment/take launch ofcourse assessment id. 1399019 1course de 16 € > C Remaining Time 39 minutes, 18 seconds Question Completion Status QUESTION 39 Two human diseases caused by viruses are O polio and bovine spongiform encephalopathy smallpox and polio O malaria and tuberculosis smallpox and bovine spongiform encephalopathy QUESTION 40 A process that requires a virus to transfer DNA between two bacterial cells...
22. (2 pts) The following step(s) occur in replication of both Bdellovibrio and a lytic virus such as T4, pathogens of E. coli. A. The genetic material of the pathogen is injected into the host cell B. The pathogen carbohydrates in the host to replicate itself. uses C. The host cell lyses, releasing the replicated pathogen D. The host cell DNA polymerase replicates the pathogen genome. 23. (2 pts) Phage are composed of nucleic acid and protein. Which of the...
Please explain why your choice is correct.
6. If a double-strand DNA phage that specified its own RNA polymerase suffered a mutation in the gene encoding that enzyme, infection of a susceptible host cell with the mutant phage would result in: a. Expression of phage late genes but not phage early genes. b. Complete phage replication and progeny output since the pre- existing host RNA polymerase could substitute for the phage polymerase. C. No phage gene expression at all. d....
Chromosome Figure 6 Fiqure 7 R plasmid F plasmid integrated into host chromosome Sex pilus chromosome of recipient Figure 8 Double- Cel stranded Cytoplasmic ll ONA Integrated DNA Treat with electric current Recipient cell Fragments of donor DNA Transformed cell Phage Figure 9 Figure 10 Phage DNA enters the cell Bacterial host #1 앗 O E. coli F plasmid Gov Integration of F plasmid Bacterial DNA -Bacterial host #2 85 Replaced host DNA Bacterial DNA I Which diagram(s) depict conjugation?...
Notice that the genes for lysogeny are clustered in an operon on
the "left" side of the phage plasmid, while the genes for lysis are
clustered in an operon on the "right" side of the plasmid.
At the beginning of each infection, transcription begins at two
"early" promoters.
"Leftward" genes
Early promoter PLcontrols leftward
transcription of early genes, beginning with the N gene.
The N protein plays an anti-termination role in transcription from
PL. Leftward transcription is also enhanced by...
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