Bacterial Genetics Quiz

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Test your knowledge on gene transfer in bacteria.

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Quader Ahmed Jalili

India

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Bacterial Genetics Quiz


Froggy Jumps Bacterial Genetics QuizVersión en línea Test your knowledge on gene transfer in bacteria. por Quader Ahmed Jalili 1 What is the primary location of bacterial DNA? a Nucleoid (not a true nucleus) b Mitochondria c Nucleus 2 Which term describes heritable variation in bacteria from nucleotide changes? a Conjugation b Mutation c Transformation 3 What are the two main routes for mutation occurrence? a Spontaneous and induced b Horizontal and vertical c Natural and artificial 4 Which agent can induce mutations chemically? a 5-bromouracil b RIFAMPIN c DNA polymerase 5 Name a common phenotypic effect of mutation. a Drug susceptibility change b Immediate cell death c Increased growth rate 6 What is a plasmid? a Extra-chromosomal circular DNA b Chromosomal DNA c Ribosomal RNA 7 What is an episome? a Ribosome b Plasmid integrated with chromosome c Virus genome 8 What term describes plasmids that can transfer themselves? a Transposable plasmids b Non-conjugative plasmids c Conjugative plasmids 9 What factor enables bacterial conjugation? a Col plasmid b F factor c R factor 10 What is the conjugation tube commonly called? a Sex pilus b Glycosome c Flagellum 11 What does Hfr stand for in conjugation? a Horizontal factor replication b High fidelity replication c High frequency recombination 12 F' conjugation involves what? a Phage-mediated transfer b F- converting to F+ c F+ carrying chromosomal DNA (sexduction) 13 What determines the transfer of multiple drug resistances? a F factor only b R factor with multiple r determinants c Transposon alone 14 Which transfer method uses naked DNA uptake? a Transformation b Conjugation c Transduction 15 Which enzyme often mediates transformation competence? a Ligase b Competence factor c DNA polymerase 16 Which experiment provided direct evidence of transformation? a Avery experiment b Mendel experiment c Griffith experiment 17 Transduction in bacteria is mediated by what? a Plasmid b Bacteriophage c Bacteria 18 Generalized transduction transfers what? a Only toxin genes b Any donor gene c Only plasmid genes 19 Specialized transduction transfers DNA adjacent to phage DNA. True or False? a False b True c Not enough info 20 What is lysogenic conversion? a Phage DNA confers new traits b Phage causes lysis only c Host DNA replicates alone 21 Which toxins can phage-coded lysogenic DNA impart? a Diphtheria toxin, cholera toxin b Insulin c Hemoglobin 22 What is a transposon commonly called? a Jumping gene b Ribozyme c Sleeping gene 23 Transposons move by what mechanism? a Rolling circle b Cut-and-paste c Copy-and-paste 24 Are transposons self-replicating? a No b Yes c Only in viruses 25 What is a blotting technique used for? a PCR amplification b DNA, RNA, or protein detection c DNA synthesis 26 Which blot detects proteins specifically? a Northern blot b Southern blot c Western blot 27 Which blot detects RNA? a Eastern blot b Southern blot c Northern blot 28 Which blot detects DNA? a Western blot b Northern blot c Southern blot 29 What is a vector in genetic engineering? a Carrier DNA for cloning b Ribosome c Protein enzyme 30 Name four vector types used in cloning. a Plasmids, phages, cosmids, artificial chromosomes b Lipids, polysaccharides, proteins c Ribosomes, tRNA, rRNA 31 What is recombination in horizontal transfer? a DNA replication b Protein synthesis c Integration of donor DNA 32 Which method is used to detect mutagens’ carcinogenicity? a Ames test b Koch assay c Griffith test 33 What is the term for plasmids encoding virulence? a Conjugative plasmids b Metabolic plasmids c Virulence plasmids 34 What happens to donor DNA after horizontal transfer? a Degraded or recombined into chromosome b Becomes viral genome c Immediately degrades into RNA 35 What is a key feature of a bacteriophage cycle? a Transduction-only cycle b Binary fission cycle c Lytic or lysogenic cycle 36 Which term describes transfer of DNA via phage? a Conjugation b Transformation c Transduction

Bacterial Genetics Quiz

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Bacterial Genetics QuizVersión en línea

por Quader Ahmed Jalili

What is the primary location of bacterial DNA?

Which term describes heritable variation in bacteria from nucleotide changes?

What are the two main routes for mutation occurrence?

Which agent can induce mutations chemically?

Name a common phenotypic effect of mutation.

What is a plasmid?

What is an episome?

What term describes plasmids that can transfer themselves?

What factor enables bacterial conjugation?

What is the conjugation tube commonly called?

What does Hfr stand for in conjugation?

F' conjugation involves what?

What determines the transfer of multiple drug resistances?

Which transfer method uses naked DNA uptake?

Which enzyme often mediates transformation competence?

Which experiment provided direct evidence of transformation?

Transduction in bacteria is mediated by what?

Generalized transduction transfers what?

Specialized transduction transfers DNA adjacent to phage DNA. True or False?

What is lysogenic conversion?

Which toxins can phage-coded lysogenic DNA impart?

What is a transposon commonly called?

Transposons move by what mechanism?

Are transposons self-replicating?

What is a blotting technique used for?

Which blot detects proteins specifically?

Which blot detects RNA?

Which blot detects DNA?

What is a vector in genetic engineering?

Name four vector types used in cloning.

What is recombination in horizontal transfer?

Which method is used to detect mutagens’ carcinogenicity?

What is the term for plasmids encoding virulence?

What happens to donor DNA after horizontal transfer?

What is a key feature of a bacteriophage cycle?

Which term describes transfer of DNA via phage?