Reserve transcription was discovered by : (1) Beadle & Tatum (2) Waston & Crick (3) Temin & Baltimore (4) har Govind Khorana

1 Answer

Answer :

Temin & Baltimore

Related questions

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 : 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 : Operon model of gene regulation and organisation of prokaryotes was proposed by: (a) Messelson and Stahl (b) Wilkins and Franklin (c) Beadle and Tatum (d) Jacob and Monod

Last Answer : Ans. ((d))

Description : That genes control heredity through their control on enzyme synthesis and that one gene controls the sythesis of one enzyme - the one gene one enzyme hypothesis — was proposed by (a) Beadle and Tatum (b) Darwin (c) Mendel (d) Morgan

Last Answer : Ans:(a)

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

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 : DNA synthesis in laboratory was first achieved by (A) Watson and crick (B) Khorana (C) A.Kornberg (D) Ochoa

Last Answer : Answer : C

Description : Vitamin theory was proposed by (a) Hepkins and Funk (b) Holly and Khorana (c) Watson and Crick (d) Jensen and Meischer

Last Answer : (a) Hepkins and Funk

Description : Which of the following statement is false? (1) Polystyrene was discovered in 1839 by Edward Simon (2) It is used for making plastics and CD cases (3) It is not biodegradable (4) None of these 

Last Answer : None of these

Description : Who discovered the link between electricity and magnetism ? (1) Volta (2) Maxwell (3) Diesel (4) Michael Faraday

Last Answer : Maxwell

Description : Radio activity was discovered by : (1) Becqueral (2) Soddy (3) Rutherford (4) Curie

Last Answer : Becqueral

Description : Who discovered the first antibiotic ? (1) W Fleming (2) C Waksman (3) Louis Pasteur (4) A Fleming

Last Answer : A Fleming

Description : “Linkage” was discovered by (1) Blakslee (2) Morgan (3) Muller (4) Bateson

Last Answer : Bateson

Description : Which scientist discovered the radioactive element Radium ? (1) Marie Curie (2) Isaac Newton (3) Albert Einstein (4) Benjamin Franklin

Last Answer : Marie Curie 

Description : Radioactivity was discovered by (1) Rutherford (2) Henri Becquerel (3) Roentgen (4) Einstein

Last Answer : Henri Becquerel

Description : Who discovered electromagnetic nature of light ? (1) Snell (2) Newton (3) Maxwell (4) Young

Last Answer : Maxwell

Description : Who discovered Solar System ? (1) Newton (2) John Hadley (3) Copernicus (4) Galileo

Last Answer : Copernicus

Description : Insulin was discovered by : (1) F. Banting (2) Edward Jenner (3) Ronald Ross (4) S.A. Wakesman

Last Answer : F. Banting

Description : Force of deflection was first discovered by (1) Coriolis (2) Ferrel (3) Thornthwaite (4) Koeppen

Last Answer : Ferrel

Description : Electron microscope was discovered by (1) Garhn and Shortt (2) Knoll and Ruska (3) Farmer and Moore (4) Janseen and Janseen

Last Answer :  Knoll and Ruska

Description : Bacteria was first discovered by (1) A.V. Leeuwenhoek (2) Robert Hooke (3) Robert Koch (4) Louis Pasteur

Last Answer : A.V. Leeuwenhoek

Description : Who discovered North Pole ? (1) Amundson (2)Robert Peary (3) John Cobot (4) Captain Cook

Last Answer : Robert Peary

Description : Who discovered cement? (1) Agassit (2) Albertus Magnus (3) Joseph Aspdin (4) Janseen

Last Answer : Joseph Aspdin

Description : X–rays were discovered by (1) Becquerel (2)Roentgen (3) Marie Curie (4)Van Lue

Last Answer : Roentgen

Description : Electron was discovered by (1) Ernest Rutherford (2) Max Planck (3) Joseph Thomson (4) Albert Einstein

Last Answer : Joseph Thomson

Description : What is the name given to the outermost “planetoid” discovered recently in the Solar System ? (1) Quark (2) Xenon (3) Sedna (4) Asterix

Last Answer : Sedna

Description : Which among the following events occurred first ? (1) John Logy Baird demonstrated first television (2) Alexander Flemming discovered pencillin (3) Telecast of talking pictures on television by BBC (4) Jonas E. Salk developed first polio vaccine

Last Answer : John Logy Baird demonstrated first television

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 : Discoveries/Inventions-Scientists

Last Answer : 1. Structure Of DNA: Watson & Crick 2. Rabies Vaccination: Louis Pasteur 3. Penicillin: Alexander Fleming 4. Genetic Laws of Heredity: Mendel 5. Vaccination Against Small Pox: Edward Jenner 6. Solar ... Napier 103. Malaria Parasite: Ronald Ross 104. Zero: Al Khwarizmi 105. Velocity Of Light: Roomer

Description : Who invented the telephone? (1) Thomas Alva Edison (2) Galileo (3) Alexander Graham Bell (4) G. Marconi

Last Answer : (3) Alexander Graham Bell

Description : The steam engine was invented by (1) James Watt (2) James Prescott Joule (3) New Commen (4) Isaac Newton

Last Answer : (1) James Watt

Description : What is the name given to India’s lunar mission ? (1) Vikram-I (2) Kalpana-II (3) Chandrayan-I (4) Insat-5

Last Answer : Chandrayan-I

Description : Geo–stationary satellite revolves at– (1) any height (2) fixed height (3) height which depends upon its mass (4) height above pole 

Last Answer : fixed height

Description : Who developed Ballistic Missile? (1) Wernher Von Braun (2) J. Robert Oppenheimer (3) Edward Teller (4) Samuel Cohen

Last Answer : Wernher Von Braun

Description : Who developed Ballistic Missile? (1) Wernher von Braun (2) J. Rober Oppenheimer (3) Edward Teller (4) Samuel Cohen

Last Answer : Wernher von Braun

Description : Which of the following is a stealth aircraft virtually undetectable even by radar? (1) B-2 Spirit (2) B1-B Lancer (3) B-52 Stratofortrees (4) FA-18 Homets

Last Answer : B-52 Stratofortrees

Description : From where was India’s multipurpose telecommunication satellite INSAT-2E launched ? (1) Baikanour(2) Thumba (3) Sriharikota(4) Kourou

Last Answer : Kourou

Description : The Indian Naval Ship being converted into a maritime museum is : (1) Sagar Samrat (2) Kanishka (3) Samrat Ashoka (4) Vikrant

Last Answer : Vikrant

Description : Which is the long-range missile that was tested by Pakistan in the wake of India testing Agni II? (1) Ghauri II (2) Shaheen I (3) Hatf I (4) Hatf II

Last Answer : Ghauri II

Description : Sphygmomanometer measures the blood pressure in the (1) Veins (2) Arteries (3) Eyes (4) Synovial

Last Answer : Arteries

Description : The study of relation of animals and plants to their surroundings is called ________ (1) Ecology (2) Ethrology (3) Genealogy (4) Iconology

Last Answer : Ecology

Description : The movement inside the Earth’s crust is studied by which of the following ? (1) Geology (2) Seismology (3) Plate tectonics (4) Pantograph

Last Answer : Seismology

Description : Which of the following is Study of fossils ? (1) Ethology (2) Etiology (3) Anthropology (4) Palaeontology

Last Answer : Palaeontology

Description : Which of the following pairing is incorrect? (1) Hygrometer Water vapour content of the atmosphere (2) Lactometer Specific gravity of liquids (3) Anemometer Speed of the wind (4) Seismograph Earthquakes

Last Answer : Lactometer Specific gravity of liquids

Description : The study of mountains is known as (1) Oncology (2) Lithology (3) Orology (4) Ornithology

Last Answer : Orology

Description : Science dealing with study of soil is called (1) Pedology (2) Pedagogy (3) Ecology (4) Pomology

Last Answer : Pedology

Description : Sextant is an instrument used in which of the following ? (1) Gynaecology (2) Navigation (3) Birth control (4) Medical treatment

Last Answer : Navigation

Description : Which instrument is used for photographing the Sun? (1) Galvanometer (2) Potentiometer (3) Spectrophotometer (4) Spectroheliograph

Last Answer : Spectroheliograph

Description : Preservation of historical articles is done in science of (1) Iconography (2) Numismatic (3) Museology (4) Epigraphy

Last Answer : Museology