Discussion
Home ‣ Microbiology ‣ Bacteriophages See What Others Are Saying!
- Question
Area of lysis on a bacterial lawn culture produced by a phage is known as
Options- A. pock
- B. plaque
- C. pox
- D. all of these
- Correct Answer
- plaque
- 1. The word, used for the small solid supports onto which are spotted hundreds of thousands of tiny drops of DNA that can be used to screen gene expression, is
Options- A. southern blot
- B. cloning library
- C. DNA microarrays
- D. northern blot Discuss
- 2. A characteristic of protein synthesis in both the archaea and eukarya is
Options- A. transcription and translation are coupled
- B. translation is inhibited by diphtheria toxin
- C. proteins are synthesized from D-, rather than L-, isomers of amino acids
- D. the initiator tRNA is charged with N-formyl-methionine Discuss
- 3. The favouring conditions for floaters is
Options- A. high intial amounts of salt
- B. thick skin that does not allow gas to diffuse out
- C. both (a) and (b)
- D. none of these Discuss
- 4. The envelope of which of the following viruses is derived from the host cell nucleus?
Options- A. Paramyxoviruses
- B. Retroviruses
- C. Orthomyxoviruses
- D. Herpesviruses Discuss
- 5. The viral nucleocapsid is the combination of
Options- A. genome and capsid
- B. capsid and spikes
- C. envelope and capsid
- D. capsomere and genome Discuss
- 6. Quinolones are
Options- A. antimetabolites
- B. penicillin derivatives
- C. bacteriostatic
- D. broad-spectrum Discuss
- 7. The role of molecular chaperones is to
Options- A. facilitate binding of ribosomes to mRNA
- B. degrade newly synthesized polypeptides that contain inaccurate sequences
- C. facilitate binding of RNA polymerase to DNA
- D. aid a newly synthesized polypeptide in folding to its proper shape Discuss
- 8. During the carboxylation phase of the Calvin cycle, CO2 combines with
Options- A. ribulose 1,5 - bisphosphate
- B. phosphoglyceraldehyde
- C. pyruvic acid
- D. oxaloacetic acid Discuss
- 9. Black kraut is caused by
Options- A. the plant enzymes
- B. the micro-organisms
- C. the combined actions of plant enzymes and micro-organisms
- D. none of the above Discuss
- 10. Bacterial cells susceptible to penicillium can be protected from destruction if the medium in which they are exposed is of
Options- A. high osmotic pressure
- B. low osmotic pressure
- C. moderate osmotic pressure
- D. high surface tension Discuss
More questions
Correct Answer: DNA microarrays
Correct Answer: proteins are synthesized from D-, rather than L-, isomers of amino acids
Correct Answer: both (a) and (b)
Correct Answer: Herpesviruses
Correct Answer: genome and capsid
Correct Answer: broad-spectrum
Correct Answer: aid a newly synthesized polypeptide in folding to its proper shape
Correct Answer: ribulose 1,5 - bisphosphate
Correct Answer: the combined actions of plant enzymes and micro-organisms
Correct Answer: high osmotic pressure
Comments
There are no comments.More in Microbiology:
Actinomycetes and Non Sporing AnaerobesAlgaeAntibodyAntigen Antibody ReactionAntimicrobial Chemotherapeutic AgentsBacillusBacteriaBacteria MorphologyBacteriophagesBrucellaCell CultivationsCell Cultures and CharacteristicsClostridiumDNA ReplicationDNA Sequencing, Mutation and RepairEnergy Release and ConservationEnzyme ReactionEnzymes RegulationFish and Sea FoodsFood IllnessFruits and VegetablesFungi - Molds and YeastsGrowth and Nutrition of BacteriaHeated Canned FoodsHepatitis VirusesIdentification of BacteriaImmune ResponseImmune SystemIndustrially Useful Microbial ProcessesMicrobes in Aquatic EnvironmentMicrobial GeneticsMicrobial MetabolismMicrobial Recombination and Gene TransferMicrobiology of FoodsMicrobiology of SoilsMicrobiology of Waste WaterMicro OrganismsMicroorganisms and DiseaseMilk and Milk ProductsMiscellaneous FoodsMycobacteriumNucleic Acid StructurePhysical and Chemical AgentsPolymerase Chain ReactionPoultry, Egg and MeatPoxviridae and PicronaviridaeProtozonPseudomonas and BurkholderiaRetroviridaeRhabdoviridae, Caliciviridae and AstroviridaeSauerkraut and PicklesSpirochacter and EnterobacteriaceacStaplylococcusStreptococcusTranscriptionTranslation and RegulationVibrio, Aeromonas and PlesiomonasVirusesViruses From Animal and PlantsViruses in EukaryotesWine and BeerProgramming
Copyright ©CuriousTab. All rights reserved.