Homework Answers
b. becomes F+
The F+ donor bacterial cell which connects to the recepient F- cell through sex pilus, transfers one strand of plasmid DNA to the recepient. The recepient makes strands complementary to the strand transferred by donor and becomes F+ recepient.
The other options are incorrect,
Only in certain circumstances when the transferred plasmid strand find its way into the bacterial genome, the recepient will become HFr strain
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If the donor cell is F' and the recipient is F- what happens
to the recipient...
What process requires contact between the donor cell and the recipient cell? A. transformation B. transduction...
What process requires contact between the donor cell and the recipient cell? A. transformation B. transduction C. transcription D. conjugation
What was the type of donor cell if a recipient genotype does not change except for...
What was the type of donor cell if a recipient genotype does not change except for becoming a donor? What was the type of donor cell if the recipient genotype changes in addition to becoming a donor? What was the type of donor cell if the recipient genotype changes but it does not become a donor?
PLEASE EXPLAIN!! Donor: Hfr lac+ arg+ strR ampS Recipient: F- lac- arg- strS ampR a. If...
PLEASE EXPLAIN!!
Donor: Hfr lac+ arg+ strR ampS Recipient: F- lac- arg- strS ampR a. If we wanted to assess whether the lac+ marker was transferred from donor to recipient, what type of media would we use? b. If we wanted to assess whether the arg+ marker was transferred from donor to recipient, what type of media would we use? what JICIILWilau c. If we wanted to assess whether the strR marker was transferred from donor t type of media...
mechanisms of recombination from donor to recipient cell *kind of dna transfered (chromosome, plasmid, or both)...
mechanisms of recombination from donor to recipient cell
*kind of dna transfered (chromosome, plasmid, or both)
REVIEW Transformation Generalized transduction Conjugation F+ A. Kind of DNA transferred (chram oame, plamid or both) Is donor living or dead? Is direct contact required? yes or no Is a virus required? yes or no Will the process occur if DN Aase is in the medium? yes or no
QUESTION 12 Which of the following statements about genetic exchange in bacteria is NOT true? A....
QUESTION 12 Which of the following statements about genetic exchange in bacteria is NOT true? A. In conjugation there has to be a physical connection between the donor cell and the recipient cell. B. Antibiotic resistance can be transferred from one bacterial cell to another by conjugation. C. Interrupted conjugation results in the production of Hfr strains. D. Plasmids do not have to integrate into the host cell chromosome in order to be replicated. E. The order of gene transfer...
1) Choose from the following options to complete the passage below: F-, F+, F', Hfr. A(n)...
1) Choose from the following options to complete the passage
below: F-, F+, F', Hfr.
A(n) ___?___ cell, which has the F plasmid incorporated into the
bacterial genome, can only conjugate with ___?____
cells. If the plasmid recircularizes, carrying some of the
bacterial DNA with it, the cell is now considered to be
___?____.
2) If conjugation occurs between the two cells below, what will
be the genotype of the exconjugant cell?
a) F+ lac+
b) F+ lac-
c) F-...
Need all answers with explanations please The CRISPR/Cas system was identified by microbiologists who were analyzing...
Need all answers with explanations please
The CRISPR/Cas system was identified by microbiologists who were analyzing microbial genomes and discovered bacteriophage genes that were integrated into the bacterial cell's chromosome. b.) Imagine that a bacterial cell's chromosome contains the a CRISPR/Cas spacer in of bacteriophage gene A (A+) and that you can detect that this cell contains the F genetic information by PCR. You do not know if the cell is an F+ cell or an Hfr cell. You set...
Q1)What factors are NOT involved in the conjugation process? * a-Donor cell with pilus. b-Both donor...
Q1)What factors are NOT involved in the conjugation process? * a-Donor cell with pilus. b-Both donor and recipient alive. c-Fertility plasmid in donor. d-Free donor DNA (fragment) Q2)Bacteriophage is a virus that replicates inside a bacteria cell and it is not observable under normal light microscope.? a-Bradford assay. b-Enzymatic activity assay. c-PCR assay. d-Plaque assay. Q3)Transmission electron microscopy (TEM) is suitable to be used to study the virus component such as? a-size b-types of capsid c-structured d-nucleic acid strand Q4)A...
During transformation: The recipient cell actively transports DNA out of itself. The donor cell actively transports...
During transformation: The recipient cell actively transports DNA out of itself. The donor cell actively transports DNA out of itself. The recipient cell actively transports DNA into itself. The donor cell actively transports DNA into itself.
5.. Name the type of horizontal gene transfer diagrammed below. Transposon Donor cell Recipient cell 6....
5.. Name the type of horizontal gene transfer diagrammed below. Transposon Donor cell Recipient cell 6. Name the type of horizontal gene transfer diagrammed below. Release of DNA Donor cell Antibiotic- resistance gene Recipient cell 7.. Name the type of horizontal gene transfer diagrammed below. Release of phage Phage-infected donor cell Recipient cell 8. The process diagrammed below is (generalized; specialized Trhance nel transduction. Phage genome gal gene hio gene -Ecoli chromosome Integration of viral DNA in the bacterial chromosome...
What was the type of donor cell if a recipient genotype does not change except for becoming a donor? What was the type of donor cell if the recipient genotype changes in addition to becoming a donor? What was the type of donor cell if the recipient genotype changes but it does not become a donor?
PLEASE EXPLAIN!!
Donor: Hfr lac+ arg+ strR ampS Recipient: F- lac- arg- strS ampR a. If we wanted to assess whether the lac+ marker was transferred from donor to recipient, what type of media would we use? b. If we wanted to assess whether the arg+ marker was transferred from donor to recipient, what type of media would we use? what JICIILWilau c. If we wanted to assess whether the strR marker was transferred from donor t type of media...
mechanisms of recombination from donor to recipient cell
*kind of dna transfered (chromosome, plasmid, or both)
REVIEW Transformation Generalized transduction Conjugation F+ A. Kind of DNA transferred (chram oame, plamid or both) Is donor living or dead? Is direct contact required? yes or no Is a virus required? yes or no Will the process occur if DN Aase is in the medium? yes or no
1) Choose from the following options to complete the passage
below: F-, F+, F', Hfr.
A(n) ___?___ cell, which has the F plasmid incorporated into the
bacterial genome, can only conjugate with ___?____
cells. If the plasmid recircularizes, carrying some of the
bacterial DNA with it, the cell is now considered to be
___?____.
2) If conjugation occurs between the two cells below, what will
be the genotype of the exconjugant cell?
a) F+ lac+
b) F+ lac-
c) F-...
Need all answers with explanations please
The CRISPR/Cas system was identified by microbiologists who were analyzing microbial genomes and discovered bacteriophage genes that were integrated into the bacterial cell's chromosome. b.) Imagine that a bacterial cell's chromosome contains the a CRISPR/Cas spacer in of bacteriophage gene A (A+) and that you can detect that this cell contains the F genetic information by PCR. You do not know if the cell is an F+ cell or an Hfr cell. You set...
During transformation: The recipient cell actively transports DNA out of itself. The donor cell actively transports DNA out of itself. The recipient cell actively transports DNA into itself. The donor cell actively transports DNA into itself.
5.. Name the type of horizontal gene transfer diagrammed below. Transposon Donor cell Recipient cell 6. Name the type of horizontal gene transfer diagrammed below. Release of DNA Donor cell Antibiotic- resistance gene Recipient cell 7.. Name the type of horizontal gene transfer diagrammed below. Release of phage Phage-infected donor cell Recipient cell 8. The process diagrammed below is (generalized; specialized Trhance nel transduction. Phage genome gal gene hio gene -Ecoli chromosome Integration of viral DNA in the bacterial chromosome...
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