Description : The experimental material used by hershey and Chase for proving that DNA controls heredity was
Last Answer : The experimental material used by hershey and Chase for proving that DNA controls heredity was A. Escherichia ... typhimurium C. T(2) phage D. TMV
Description : Who proved that DNA is basic genetic material? (a) Griffith (b) Watson (c) Boveri and Sutton (d) Hershey and Chase
Last Answer : d) Hershey and Chase
Last Answer : (d) Hershey and Chase
Description : The final proof for DNA as the genetic material came from the experiments of : (1) Hershey and Chase (2) Avery, Mcleod and McCarty (3) Hargobind Khorana (4) Griffith
Last Answer : (1) Hershey and Chase
Description : Which of the following is NOT a mode of genetic exchange within a bacterial population? a) conjugation b) transduction c) transformation d) translation
Last Answer : ANSWER: D -- TRANSLATION
Description : Whose experiments cracked the DNA and discovered unequivocally that a genetic code is a “triplet”? (a) Hershey and Chase (b) Morgan and Sturtevant (c) Beadle and Tatum (d) Nirenberg and Mathaei
Last Answer : (b) Morgan and Sturtevant
Description : Which of the following transport bacterial DNA to other bacteria via bacteriophages? A- Conjugation B- Transduction C- Transformation D- Translation
Last Answer : Transduction
Description : Transformation was discovered by (a) Meselson and Stahl (b) Hershey and Chase (c) Griffith (d) Watson and Cric
Last Answer : (a) Meselson and Stahl
Description : What is the process called of making a mRNA copy of DNA? a. translation. b. transcription. c. transposon d. transformation
Last Answer : b. transcription.
Description : Recombination of virus genomes occurs A- by transduction B- by transcription C- simultaneous infection of a host cell by two viruses with homologous chromosomes D- by transformation
Last Answer : simultaneous infection of a host cell by two viruses with homologous chromosomes
Description : STAT proteins are (A) Thermostat proteins of brain (B) Glucostat proteins of hepatocyte cell membrane (C) Short term activators of translation (D) Signal transduction and activators of transcription
Last Answer : Answer : D
Description : Which of the following is NOT a type of horizontal gene transfer between bacterial cells? a. transformation b. conjugation c. transduction d. translation
Last Answer : d. translation
Description : The process of copying genetic information from one strand of DNA in to RNA is termed as (a) translation (b) transcription (c) replication (d) mutation
Last Answer : Ans:(b)
Description : The process of transfer of genetic information from DNA to RNA/formation of RNA from DNA is (a) transversion (b) transcription (c) translation (d) translocation.
Last Answer : (c) translation
Last Answer : transcription
Description : DNA mRNA C Proposed by Protein A B The figure gives an important concept in the genetic implication of DNA. Fill the blanks A, B and C. (a) A-Maurice Wilkins, B-Transcription, C-Translation ... c) A-Erwin Chargaff, B-Translation, C-Replication (d) A-Francis Crick, B-Translation, C-Transcription
Last Answer : (d) A-Francis Crick, B-Translation, C-Transcription
Description : The diagram shows an important concept in the genetic implication of DNA. Fill in the blanks A to C. DNA mRNA Proposed by Protein C A B (a) A - Transcription, B -Translation, C - Francis Crick (b) ... , B - Replication, C - James Watson (d) A - Translation, B - Transcription, C - Ervin Chargaff
Last Answer : (a) A - Transcription, B -Translation, C - Francis Crick
Description : Which one of the following is NOT an example of genetic recombination? a. Conjugation b. Binary fission c. Transduction d. Transformation
Last Answer : c. Transduction
Description : The term used for acquisition of naked DNA from its environment and its incorporation in their genome by a bacterium is A.transformation B.lysogenic conversion C.conjugation D.transduction
Last Answer : A.transformation
Description : In the extracellular medium, DNA-degrading enzymes would likely be to prevent transfer of DNA by A- conjugal transfer by a self-transmissible plasmid B- generalized phage transduction C- natural transformation D- none of the above
Last Answer : natural transformation
Description : The term used for acquisition of naked DNA from its environment and its incorporation in theirgenome by a bacterium is A- transformation B- lysogenic conversion C- conjugation D- .transduction
Last Answer : transformation
Description : The term used for acquisition of naked DNA from its environment and its incorporation in their A- transformation B- lysogenic conversion C- conjugation D- transduction
Description : Select the correct match. (a) Alec Jeffreys - Streptococcus pneumoniae (b) Alfred Hershey and - TMV Martha Chase (c) Matthew Meselson - Pisum sativum and F. Stahl (d) Francois Jacob and - Lac operon Jacques Monod
Last Answer : (a) Alec Jeffreys - Streptococcus pneumoniae
Description : One gene-one enzyme hypothesis was postulatedby (a) Beadle and Tatum (b) R. Franklin (c) Hershey and Chase (d) A. Garrod.
Last Answer : (c) Hershey and Chase
Last Answer : (d) Francois Jacob and - Lac operon Jacques Monod
Description : One gene-one enzyme hypothesis was postulatedby (a) Beadle and Tatum (b) R. Franklin (c) Hershey and Chase (d) A. Garrod
Last Answer : (a) Beadle and Tatum
Description : Select the correct match : (1) Alec Jeffreys – Streptococcus pneumoniae (2) Alfred Hershey and – TMV Martha Chase (3) Matthew Meselson – Pisum sativum and F. Stahl (4) Francois Jacob and – Lac operon Jacques Monod
Last Answer : (4) Francois Jacob and – Lac operon Jacques Monod
Description : Genetic engineering is possible, because (a) we can cut DNA at specific sites by endonucleases like DNase I (b) restriction endonucleases purified from bacteria can be used in vitro (c) the phenomenon of transduction in bacteria is well understood (d) we can see DNA by electron microscope
Last Answer : (b) restriction endonucleases purified from bacteria can be used in vitro
Description : How Griffith's experiment helps in the identification of DNA as the genetic material. -Biology
Last Answer : answer:
Description : The Pneumococcus experiment proves that (a) bacteria do not reproduce sexually (b) RNA sometime controls the production of DNA and proteins (c) DNA is the genetic material (d) bacteria undergo binary fission.
Last Answer : (d) bacteria undergo binary fission.
Description : Rifampicin inhibits (A) Unwinding of DNA (B) Initiation of replication (C) Initiation of translation (D) Initiation of transcription
Description : Synthesis of RNA and a DNA template is known as (A) Replication (B) Translation (C) Transcription (D) Mutation
Last Answer : Answer : C
Description : Synthesis of DNA is also known as (A) Duplication (B) Replication (C) Transcription (D) Translation
Last Answer : Answer : B
Description : Which one of the following is wrongly matched? (a) Transcription - Writing information from DNA to tRNA. (b) Translation - Using information in mRNA to make protein. (c) Repressor protein - Binds to operator to stop enzyme synthesis. (d) Operon - Structural genes, operator and promoter.
Last Answer : (c) Repressor protein - Binds to operator to stop enzyme synthesis.
Last Answer : (d) Operon - Structural genes, operator and promoter
Description : Tetracyclines interfere with a. Translation. b. Transcription. c. Dna Replication. d. Membrane Function.
Last Answer : a. Translation.
Description : A ______ can move a part of DNA to another place on the chromosome. a. translation. b. transferon c. transposon d. transition e. transcription
Last Answer : c. transposon
Description : If an antibiotic binds to a 50S subunit, what cellular process will be inhibited? a. DNA replication b. Intron excision c. Translation d. Transcription
Last Answer : c. Translation
Description : What is transduction/transformation? -Biology
Description : Of the following which is the most important mechanism of concurrent acquisition of multidrug resistance among bacteria ? (a) Mutation (b) Conjugation (c) Transduction (d) Transformation
Last Answer : Ans: B
Description : Penicillin resistance in staphylococci is acquired due to A.conjugation B.mutation C.transformation D.transduction
Last Answer : D.transduction
Description : Penicillin resistance in staphylococci is acquired due to A- conjugation B- mutation C- transformation D- transduction
Last Answer : transduction
Description : Which of the following is the cause for drug resistance in tuberculosis? A- Mutation B- Transduction C- Transformation D- Conjugation
Last Answer : Mutation
Description : The most important mechanism of concurrent acquisition of multidrug resistance among bacteria is: A. Mutation B. Conjugation C. Transduction D. Transformation
Last Answer : B. Conjugation
Description : Select the correct Match : (1) Ribozyme - Nucleic acid (2) F2 x Recessive parent - Dihybrid cross (3) TH. Morgan - Transduction (4) G. Mendel - Transformation
Last Answer : (1) Ribozyme - Nucleic acid
Description : Select the correct statement. (a) Franklin Stahl coined the term ‘‘linkage’’. (b) Punnett square was developed by a British scientist. (c) Spliceosomes take part in translation. (d) Transduction was discovered by S. Altman
Last Answer : (a) Franklin Stahl coined the term ‘‘linkage’’.
Description : Select the correct statement : (1) Franklin Stahl coined the term "linkage". (2) Punnett square was developed by a British scientist. (3) Spliceosomes take part in translation. (4) Transduction was discovered by S. Altman.
Last Answer : (2) Punnett square was developed by a British scientist.
Description : $ Flow of genetic information is through the DNA of the nucleus . ! Central Dogma is represented as follows DNA `overset("Transcription")tomRNA overse
Last Answer : $ Flow of genetic information is through the DNA of the nucleus . ! Central Dogma is represented as follows ... wrong D. If both As and R are wrong.
Description : In the process of transcription, the flow of genetic information is from (A) DNA to DNA (B) DNA to protein (C) RNA to protein (D) DNA to RNA