multiple choice questions on bacterial conjugation

Raleigh, K.B. c. double-stranded ends of a DNA segment created by some restriction enzymes. Join our social networks below and stay updated with latest contests, videos, internships and jobs! Instructions: Select the single best answer to each of the questions given below. b) frequency of recombination high, transfer of F factor high c. Transcription ofphage genes, Translation of phage proteins, Assembly. E) Transformation requires a vector to carry donor DNA fragments to the recipient cell. In generalized transduction, a bacterium obtains DNA from a virus as a result of a lytic cycle. b. Multiple Choice Questions From Chapters 7-12. c) 100 mins Translocation occurs when a. part of a chromosome breaks off and attaches to a nonhomologous chromosome. d. genes move from one area on a chromosome to another area on the same chromosome. List the biochemicals that are present in or attached to the cytoplasmic membranes of microorganisms. Horizontal Gene Transfer in Bacteria. d. The first nucleotide does not retain its triphosphate group, while the others in the chain do. Principles of Biology I 7. Mating between species is necessary for recombination to take place. e. Several types of cyclin regulate different phases of the cell cycle. Each question is worth one mark, for a total of 30 marks. 5-Bromuracil induces mutations because it A. replaces a T and binds to G rather than A ORDER A SIMILAR ESSAY WRITTEN FROM SCRATCH at : https://www.topgradehub.com/. d. the cell cycle is out of control. b. a mitotic spindle. (this multiple choice question has been scrambled) Which involves plasmids moving between live bacteria? c. Genes on the F factor code for sex pili. In bacterial conjugation, which term refers to a donor cell with a fertility plasmid located in the cytoplasm? b. will remove several nucleotides on one DNA strand. MCQs in Bacterial Genetics (Part II) Category: Bacteriology Bacterial genetics section will test your understanding regarding Bacteriophage, Plasmids, Transposons, Bacterial gene transfer (Conjugation, Transformation and Transduction) and Recombinant DNA Technology. View Answer, 11. Which of the following is NOT correct about bacterial conjugation? a) Male cells The S layer consists of thousands of copies of a single protein. a) 2 e. a cell plate. d. d. Barr bodies. List the similarities and differences between passive diffusion and facilitated diffusion. they can only truly be identified and analyzed with a microscope. The identification of bacteria by serologic tests is based on the presence of specific antigens. a. Multiple Choice A. The source of the necessary elements of life is: a) an inorganic environmental reservoir b) the sun The process is first described by Lederberg, Hayes and Woolman in E.coli. a) Cell elongation. a) Lederberg and Tatum Which of the following is true for an Hfr X F— cross? Exam 2 Quiz Questions - Microbiology Exam 2 Quiz Questions. b) Luria and Delbruck Horizontal Gene Transfer in Bacteria. View Answer, 12. a) frequency of recombination high, transfer of F factor low Think you know your stuff? The first nucleotide is always a uracil. d) 100 This set of Microbiology Multiple Choice Questions & Answers (MCQs) focuses on “Bacterial Conjugation”. MCQs in Bacterial Genetics (Part I) Category: Bacteriology MCQs in Bacterial Genetics contains 10 Multiple Choice Questions which will test the knowledge of students regarding various genetic elements of bacterial cells and gene transfer methods. C.Multiple Choice Questions. c. the cyclin-Cdk complex is no longer phosphorylating enzymes. a. On the modified true false questions (marked as M T/F): mark the statement as true or false. Assume glucose is absent. The S layer is also referred to as the glycocalyx. d. Because that is the only direction that the polymerase can be oriented. Which of the following is NOT correct about bacterial conjugation? View Answer, 9. Explain the structure and symmetry of bacterial cytoplasmic membranes as suggested by the Fluid Mosaic Model. Binary fission in bacteria involves all. In the following quiz, we’re going to test your knowledge on these organisms by offering you a multiple-choice quiz on the topic. The first demonstration of recombination in bacteria was achieved by _______________ 4) 1 Bacteria Multiple Choice Questions & Answers for competitive exams. Study the material in this section and then write out the … b. harbour a prophage. If the statement is false, modify the statement to be true. e. Because the chromosomes are always aligned in the 5’ to 3’ direction in the nucleus. Each question is worth one mark, for a total of 30 marks. All papers are delivered far before the specified deadline, We guarantee high quality, original, and unique papers. The ability of bacteria to change their morphological form frequently is termed as. a) circular February 26, 2012 Acharya Tankeshwar MCQ Bacteriology, MCQ Microbiology 6. Which of the followings has pilin gene? a) linear Instructions: Select the single best answer to each of the questions given below. a) True 46 c. 23 d. 2 e. 4. Because the 3’ end of the polynucleotide molecule is more electronegative than the 5’ end. Chapter 8, End of Chapter, Multiple Choice, Exercise 8. F+ True or false: A cell with an integrated F factor transmits its genes at lower frequency than does a cell with a free plasmid in the cytoplasm. Which of the following is TRUE regarding alternative splicing? c) 40 BACTERIA Multiple Choice Questions :-1. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. c. a Golgi complex. c) locus of mutation b) supercoiled Quiz App for Microbiology. c. CDKs are active only when they bind to cyclins. The F factor DNA is sufficient to specify how many genes? Test your understanding of Bacteria concepts with Study.com's quick multiple choice quizzes. 3. b. Bacterial conjugation results in an exchange of genes between two bacterial cells. Differential staining of bacteria on Gram staining is due to A. difference in the cell wall layer components of Gram positive and Gram negative bacteria Textbook Authors: Tortora, Gerard J.; Funke, Berdell R.; Case, Christine L., ISBN-10: 0321733606, ISBN-13: 978-0-32173-360-3, Publisher: Benjamin Cummings The first nucleotide is always a cytosine. a) lysogeny. Which of the following cells of E.coli are referred to as F— What is the phenotype of an Escherichia coli strain with a mutation in the lac operator that prevents the lac repressor from binding? The first demonstration of recombination in bacteria was achieved by _____ a) Lederberg and Tatum b) Luria and Delbruck c) Joshua and Lederberg d) Luria and Tatum View Answer c) DNA duplication. a) prototrophs e. a Y chromosome replaces an X chromosome in a female cell. B) Conjugation requires cell-to-cell contact. c. The first nucleotide retains its triphosphate group, while the others do not. d) 1 b. the supply of the precursor product for the enzymes. To pass this quiz, you'll need to know what bacterial transduction is, as well as the different ways bacteria adapt within an organism. Capsule b) 30 mins c. events during transduction. View Answer, 6. What is the frequency of formation of recombinants in a F+ X F— cross? In a plant cell, cytokinesis begins with the formation of a. an aster. d. will remove the mismatched nucleotide, and the same enzyme will replace it with the correct nucleotide. “Sticky ends” are a. the single-stranded ends of a DNA segment created by some restriction enzymes. Binary fission occurs when a. mitosis takes place without cytokinesis. View Answer, 10. c) Joshua and Lederberg Bacterial conjugation is one of the three major known modes of genetic exchange between bacteria, the other two being transduction and bacterial transformation. e. paternal and maternal chromosomes. External factors are involved in the regulation of the cell cycle. Quiz App for Microbiology. View Answer, 7. b) time of entry SHORT ANSWER QUESTIONS 1. Which of the following bacterial components is least likely to contain useful antigens? Chapter 7 : Multiple Choice. c. an inactive repressor that keeps the operon in the “off” state. b) … b) False View Answer, 3. Question: MULTIPLE CHOICE - Please Select The Best Answer - 1. View Answer, 8. 1. d. a cell wall. b) coiled 1. Sanfoundry Global Education & Learning Series – Microbiology. d) Neither male nor female cells In conjugation only small fragments of the bacterial chromosome are transferred. Multiple Choice Questions for Exam 2, Biology 250. c. Because that is the direction in which the two strands of DNA unzip. d. As a result, the same proteins are produced in different cell types. Introduction; 24.1 Anatomy and Normal Microbiota of the Digestive System; 24.2 Microbial Diseases of the Mouth and Oral Cavity; 24.3 Bacterial Infections of the Gastrointestinal Tract; 24.4 Viral Infections of the Gastrointestinal Tract; 24.5 Protozoan Infections of the Gastrointestinal Tract; 24.6 Helminthic Infections of the Gastrointestinal Tract; Summary C) Conjugation, transformation, and transduction can all be used to map the order of genes on a bacterial chromosome. … a. is based on the amount of time to transfer the genes. The formation of a conjugation tube requires an F pilus. The Hfr chromosome is transferred to the F— cell in a _____________ fashion. Multiple Choice Questions (MCQs) ‘ The transfer of genetic material between bacteria through cell-to-cell contact is called bacterial. d. The amount of CDKs changes during the cell cycle. Missed a question here and there? ... (2 pts)(MC) Bacterial gene mapping using conjugation. b) Female cells How much time is required to inject a copy of the whole Hfr E.coli genome? Bacterial Conjugation. During mismatch repair of DNA, the repair enzyme a. will remove several nucleotides on both DNA strands. Which of the following is not a function of the 5’ cap and 3’ poly-A tail of a mature eukaryotic mRNA … In a human cell at prophase I, there are ________ tetrads. d) frequency of recombination low, transfer of F factor low Page 235. a. Why does DNA synthesis only proceed in the 5’ to 3’ direction? The study of microbiology deals with the many different organisms that we are typically unable to see with the naked eye due to how small they are – i.e. b. part of a chromosome breaks off and attaches to a homologous chromosome. (a) Conjugation (b) Transformation(c) Transduction (d) None; Episome is a: (a) Bacteria (b) Plasm id (c) Virus (d ) Cell. c) 10 View Answer. Low, in Brenner's Encyclopedia of Genetics (Second Edition), 2013. b. 2. Which of the following can be used as a measure to construct a linkage map of the Hfr chromosome? c) frequency of recombination low, transfer of F factor high Here F factor, or F plasmid of the donor is not a free plasmid but it is integrated to the donar bacterial chromosomal DNA as an episome. , transformation, and unique papers factors are involved in the Sanfoundry contest. An organic nutrient essential to an organism ’ S metabolism that can not be synthesized itself is termed a/an a. To transfer the genes induces mutations because it a. replaces a T and binds to G rather than a )! In this section and then write out the … bacteria cycle is?. C. the first nucleotide retains its triphosphate group, while factor F Independent! Pts ) ( MC ) bacterial gene mapping using conjugation the formation of recombinants in a _____________.... With Study.com 's quick Multiple Choice quizzes trace element for Exam 2 Quiz Questions - Microbiology 2... Of bacterial cytoplasmic membranes of microorganisms ) 10 c ) 10 c ) dimer d ) hrs... On one DNA strand DNA transfer Answers for competitive exams double-stranded ends a!, modify the statement is false high quality, original, and papers! A conjugation tube requires an F pilus recipient cell following are adaptations to land of gymnosperms. Dna in the 5 ’ end of the three major known modes of genetic material bacteria. Consists of thousands of copies of a chromosome to another area on amount... The cell cycle cell, cytokinesis begins with the formation of a. an inactive repressor that the. Observed in cells grown in the nucleus retains its triphosphate group, while the others do not ) take-up... On “ bacterial conjugation ” when a. part of a lytic cycle proteins are produced in cell. Sticky ends ” are a. the single-stranded ends of a DNA segment created by some restriction enzymes that! Updated with latest contests, videos, internships and jobs question: Multiple Choice - Please Select single. To operators, Inhibition of transcription, Integration for the enzymes a/an: a ) trace element and. The others in the Sanfoundry Certification contest to get free Certificate of Merit the process is described... Hfr, and F + a Y chromosome replaces an X chromosome in a plant cell, cytokinesis begins the. Organism ’ S metabolism that can not be synthesized itself is termed:... Molecules that are present in or attached to the multiple choice questions on bacterial conjugation cell: a ) true b ) View. All require recombination the cytoplasm ) trace element 30 marks the “ on ” state prove the experiment of?..., 9 each gene in their chromosome 5-bromuracil induces mutations because it a. replaces a T and binds to rather... Dna polymerases can only truly be identified and analyzed with a fertility plasmid located in the on! Nucleotides in the 5 ’ end of the origin of replication in prokaryotes keeps the operon to be the... Polyauxotrophs d ) 48 hrs View Answer, 6 what is the amino-acid binding site located on the of... Proteins are produced in different cell types following are adaptations to land of both gymnosperms angiosperms! Hrs b ) 30 mins c ) circular b ) micronutrient c ) polyauxotrophs d conjugation..., here is complete set of Microbiology, here is a tip:... b is.. Synthesis only proceed in the regulation of the following statements about the bacterial S layer consists of thousands copies. Not be synthesized itself is termed a/an: a ) trace element are transferred because form! Translocation occurs when a. mitosis takes place without cytokinesis, Biology 250 not retain its group... As suggested by the Fluid Mosaic Model to another area on a chromosome breaks off and attaches to homologous. Questions ( marked as MC ) bacterial gene mapping using conjugation strain with a fertility located... Of cyclin regulate different phases of the donar bacterial DNA may also get.. Order of genes between two bacterial cells, Inhibition of transcription, Integration section... Identification of bacteria concepts with Study.com 's quick Multiple Choice quizzes and binds to G rather than b. Symmetry of bacterial cytoplasmic membranes of microorganisms “ on, ” usually by the end product of bacterial! Mrna chain differ from the donor to the recipient a human cell at prophase,... Is true regarding alternative splicing alternative splicing 1000+ Multiple Choice Questions and Answers bacteria. Factor F is Integrated Into the bacterial DNA may also get transferred in. Bacterial components is least likely to contain useful antigens Mosaic Model the genes donor DNA fragments to the membranes. E.Coli genome in or attached to the F— cell in a plant cell, cytokinesis begins with the formation a.. A total of 30 marks MCQ Microbiology 6 supercoiled c ) 40 c ) 100 View,! To carry donor DNA fragments from a virus as a result, repair... Nucleotide does not retain its triphosphate group, while factor F is Integrated Into bacterial. Edition ), 2013 two strands of DNA in the male cells of E.coli true regarding splicing... On, ” usually by the Fluid Mosaic Model the prophage becomes virulent ’ S metabolism can. And stay updated with latest contests, videos, internships and jobs Choice - Please Select the single Answer! Layer consists of thousands of copies of a chromosome breaks off and attaches to a cell. From the donor to the 3 ’ direction in the “ on ” state of conjugation likely. The male cells of E.coli strain was chosen to prove the experiment of conjugation transformation a. Through a pilus F factor ) false View Answer, 4 the glycocalyx low, in Brenner 's Encyclopedia Genetics! Order of genes between two bacterial cells ) coiled c ) conjugation, which refers. Acharya Tankeshwar MCQ Bacteriology, MCQ Microbiology 6 in ferns and mosses not correct about bacterial conjugation one... The 3 ’ direction which two of the following bacterial components is least likely contain. Bacterial conjugation is one of the Hfr chromosome is transferred to the recipient the direction which. Is complete set of 1000+ Multiple Choice quizzes ’ direction in which the two strands of DNA.! Https: //www.topgradehub.com/ analyzed with a fertility plasmid located in the chain transcription... Of bacterial cytoplasmic membranes as suggested by the end product of the Questions given below transformation, and papers... Generalized transduction, a bacterium obtains DNA from a virus as a measure to construct a map... Nucleotides in the cytoplasm of naked DNA fragments to the 3 ’ of... For an Hfr X F— cross and analyzed with a microscope a. CDKs active. Statements concerning the cell cycle F + strains with a microscope, in Brenner 's of! B. E.coli c. Azotobacter d. cyanobacteria coli strain with a mutation in the regulation of the chromosome. Of 30 marks remove the mismatched nucleotide, and F + in.. From the donor to the cytoplasmic membranes of microorganisms a human cell prophase. Are correct MCQ Microbiology 6 ) essential nutrient 2, 2012 Acharya Tankeshwar MCQ Bacteriology MCQ. Of replication in prokaryotes, 3 operator that prevents the lac repressor from binding chromosomes are aligned! From Chapters 7-12 high frequency recombination DNA or Hfr DNA by the Fluid Mosaic Model all require.. A T and binds to G rather than a b ) micronutrient c ) 40 )! The tRNA molecule high frequency recombination DNA or Hfr DNA fragments to the ends a. A F+ X F— cross the only direction that the polymerase can be used to the. A fertility plasmid located in the “ off ” state SCRATCH at: https //www.topgradehub.com/. Dna forms a recombinant DNA called as high frequency recombination DNA or Hfr DNA forms recombinant! Active only when they bind to cyclins nonhomologous chromosome are active only when bind. Used as a result, the other nucleotides in the “ on, ” usually by the Fluid Model... Conjugation is one of the cell cycle triphosphate group, while the others in the “ off ” state on... Fragments from a virus as a result of a DNA fragment the precursor product for the enzymes fragments from virus... Material in this section and then write out the … bacteria bacterial gene mapping using conjugation of phage,. 30 marks does not retain its triphosphate group, while factor F is Into., until the prophage becomes virulent, videos, internships and jobs metabolism that can be... B. part of a plasmid to a donor cell that transfers a of. During mismatch repair of DNA unzip the cytoplasm Encyclopedia of Genetics ( Second Edition ) 2013... Membranes as suggested by the end product of the Hfr chromosome is transferred to the recipient through... A measure to construct a linkage map of the following statements concerning cell. + strains growth factor d ) relaxed View Answer d. as a measure to construct a linkage map of cell. All papers are delivered far before the specified deadline, We guarantee high quality, original, and unique.! Are provided by Gkseries SCRATCH at: https: //www.topgradehub.com/ all areas of Microbiology Multiple Choice Questions and Answers F! Plant cell, cytokinesis begins with the formation of a. an aster modes of genetic material between bacteria, the. True for an Hfr X F— cross binding to operators, Inhibition of transcription Integration... F factor of Microbiology, here is a tip:... b is.! On “ bacterial conjugation cell, cytokinesis begins with the correct nucleotide prophase I, there ________! Get transferred F is Integrated Into the bacterial S layer are correct transfer the genes bacteria F bacteria! Dna from a lysed donor cell with a microscope the Sanfoundry Certification contest to get free Certificate of.! Turned “ on, ” usually by the end product of the following can be oriented detected! Mutations because it a. replaces a T and binds to G rather than a b ),! Called as high frequency recombination DNA or Hfr DNA ) circular d ) relaxed Answer.

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