which of the following is Not required for conjugation to occur in bacteria? A. presence of...
Homework Answers
Option:A (presence of bacteriophages)
For conjugation to occur in bacteria ,bacteriophages are not required or necessary because it can occur by direct physical contact or by formation of pilus .
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which of the following is Not required for conjugation to occur in
bacteria?
A. presence of...
13. Which of the following statements about conjugation is false? A) Conjugation is sexual reproduction for...
13. Which of the following statements about conjugation is false? A) Conjugation is sexual reproduction for bacteria B) In conjugation a bacterium carries a fertility plasmid. C) In conjugation a bacterium forms a small hollow tube called a pilus. D) In conjugation a bacterium attaches to a neighboring bacterial cell that lacks a fertility plasmid. E) Conjugation can be a problem because fertility plasmids often carry genes that endow cells with drug resistance or the ability to produce toxins.
Please classify each statement as describing transformation, conjugation, or transduction in bacteria. Bacteria can acquire plasmids...
Please classify each statement as describing transformation, conjugation, or transduction in bacteria. Bacteria can acquire plasmids from outside the cell. A bacterium that contains an F plasmid connects to a recipient bacterium that lacks an F plasmid with an appendage called a pilus, through which the plasmid is transferred. Some bacterial DNA fragments may be included when new phage particles are assembled. A cell can be treated to make it competent to take up DNA from its environment. When a...
Which of the following is NOT true about bacterial conjugation An F factor drives replication and...
Which of the following is NOT true about bacterial conjugation An F factor drives replication and transfer of a conjugative plasmid The genome of the bacterial chromosome in the donor cells is altered through ectopic recombination Transfer is mediated by a tube-like pilus formed between the adjacent cells Mating cells often break apart before transfer of the entire bacterial chromosome. The transferred DNA can be incorporated in the recipient cell bacterial chromosome via homologous recombination.
Under what circumstances do bacteria engage in a true sexual life cycle A. During conjugation, when...
Under what circumstances do bacteria engage in a true sexual life cycle A. During conjugation, when a sex pilus is formed B. During their very rapid replication periods C. When the environment becomes harsh and extra genetic variation is required D. Under no circumstances do bacteria ever engage in a true sexual life cycle E. When they get lonesome
i need all the answers bug mosly i need #4,7&46 thank you 1) Bacteria containing the...
i
need all the answers bug mosly i need #4,7&46 thank you
1) Bacteria containing the within their chromosomes function as the donors during conjugation and attach to the recipient cell via a A) F-plasmid: pilus B) R-plasmid : bacteriophage C) F-Factor : bacteriophage D) R-Factor: pilus E) F-Factor: pilus F) F-plasmid : bacteriophage 2) How does a plant's primary carbon source enter the leaf? A) Through the stomata B) Through the thylakoids C) Through the roots D) Through the...
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...
Bacteria which are stable partial diploids (F’) for the lac operon are grown in the presence...
Bacteria which are stable partial diploids (F’) for the lac operon are grown in the presence or absence of lactose, as indicated below. The presence (+) or absence (-) of β-galactosidase and permease expression are investigated in these cultures. Which of the following options (A-E) would be the expected results for bacteria with the genotype IS P+ O+ Z+ Y- / I+ P+ OC Z– Y+ ? β-galactosidase Permease No lactose Lactose No lactose Lactose A - + - +...
Under which of the fol le following conditions will the repressor pro 8. Which of the...
Under which of the fol le following conditions will the repressor pro 8. Which of the fo Lactose present/glucose present Lactose presentelucose absent Lactose absentelucose present 9. Under both conditions A and B c. Under none of the above conditions of the following is involved in regulation of the lac operon? repressor protein b. operator sequence (0) allolactose d. answers A and B are both correct s, all of the above are correct Which of the following statements regarding DNA...
Transformation
F plasmid is often used in conjugation. The correct statement is?a) The F plasmid encodes the factor which is transferred from one cell to anotherb) The factor encoded by the F plasmid is called as Filamentous (F) factorc) It is transferred from one cell to another by filamentd) The bacteria must belong to same species to carry out the conjugation
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...
13. Which of the following statements about conjugation is false? A) Conjugation is sexual reproduction for bacteria B) In conjugation a bacterium carries a fertility plasmid. C) In conjugation a bacterium forms a small hollow tube called a pilus. D) In conjugation a bacterium attaches to a neighboring bacterial cell that lacks a fertility plasmid. E) Conjugation can be a problem because fertility plasmids often carry genes that endow cells with drug resistance or the ability to produce toxins.
Please classify each statement as describing transformation, conjugation, or transduction in bacteria. Bacteria can acquire plasmids from outside the cell. A bacterium that contains an F plasmid connects to a recipient bacterium that lacks an F plasmid with an appendage called a pilus, through which the plasmid is transferred. Some bacterial DNA fragments may be included when new phage particles are assembled. A cell can be treated to make it competent to take up DNA from its environment. When a...
i
need all the answers bug mosly i need #4,7&46 thank you
1) Bacteria containing the within their chromosomes function as the donors during conjugation and attach to the recipient cell via a A) F-plasmid: pilus B) R-plasmid : bacteriophage C) F-Factor : bacteriophage D) R-Factor: pilus E) F-Factor: pilus F) F-plasmid : bacteriophage 2) How does a plant's primary carbon source enter the leaf? A) Through the stomata B) Through the thylakoids C) Through the roots D) Through the...
Under which of the fol le following conditions will the repressor pro 8. Which of the fo Lactose present/glucose present Lactose presentelucose absent Lactose absentelucose present 9. Under both conditions A and B c. Under none of the above conditions of the following is involved in regulation of the lac operon? repressor protein b. operator sequence (0) allolactose d. answers A and B are both correct s, all of the above are correct Which of the following statements regarding DNA...
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