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
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 : 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 : Hershey and Chase experiment proving DNA as the genetic material was based on the principle a) Transduction b) transformation c) transcription d) translation
Last Answer : a) Transduction
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 : The term “linkage” was coined by (a) G. Mendel (b) W. Sutton (c) T.H. Morgan (d) T. Boveri.
Last Answer : (c) T.H. Morgan
Description : The frequency of recombination between gene present on the same chromosome as a measure of the distance between genes was explained by (a) Sutton Boveri (b) T.H. Morgan (c) Gregor J.Mendel (d) Alfred Sturtevant.
Last Answer : (d) Alfred Sturtevant.
Description : Experimental verification of the chromosomal theory of inheritance was done by (a) Mendel (b) Sutton (c) Boveri (d) Morgan.
Last Answer : Morgan
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 the basic genetic material? -General Knowledge
Last Answer : answer:
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 : 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 : Transposable genetic elements (transposons) a. Were First Discovered By Watson And Crick. b. Are Smaller Than Insertion Sequences. c. Are Examples Of Plasmids. d. May Have Information For Antibiotic Resistance.
Last Answer : d. May Have Information For Antibiotic Resistance.
Description : Is it coincidence that the top ten fastest sprint times over 100m are held by black men, or is there a known genetic advantage that can be proved?
Last Answer : I thought black people actually had a certain muscle that some other people didn’t have. Or maybe not a muscle, but something that would have to do with your legs/running. This could be totally false though. Probably, actually. But I have heard it. lol
Description : How do Sutton and observations about chromosomes number support the chromosome theory of inheritance?
Last Answer : Need answer
Description : Did archaeologist dig Sutton Hoo and why?
Last Answer : What is the answer ?
Description : Eating Healthy with Seattle Sutton?
Last Answer : Eating a healthy diet is crucial to leading a healthy lifestyle. Seattle Sutton takes all the guesswork out of eating a healthy diet. Her company, Seattle Suttonï ½s Healthy Eating, has been providing ... be picked up at a local Seattle Suttonï ½s center, or delivered to wherever the customer wants.
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 : Double helical structure model of the DNA was proposed by (A) Pauling and Corey (B) Peter Mitchell (C) Watson and Crick (D) King and Wooten
Description : Which of the following events occurred first? (1) DNA structure of genes was discovered by James D Watson and Francis Crick (2) Yuri Gagarin became the first man in space (3) World's first human heart ... by Dr. Christian Barnard (4) World's first test tube baby Louise Brown was born in U.K.
Last Answer : (1) DNA structure of genes was discovered by James D Watson and Francis Crick Explanation: Discovery of DNA structure of genes: 25 April, 1953; Yuri Gagarin's feat of becoming the first man in space: ... human heart transplant: 3 December, 1967; and World's first test tube baby: 25 July, 1978.
Description : Who among the following analysed DNA for the first time? (1) Arthur Cornberg (2) Hargobind Khurana (3) M. W. Nirenberg (4) Watson and Krick
Last Answer : (4) Watson and Krick Explanation: James D Watson and Fracis Crick, the two scientists who discovered the structure of DNA in 1953. Watson and Crick took a crucial conceptual step, suggesting ... pairs interlocked in the middle of the double helix to keep the distance between the chains constant.
Description : DNA test was developed by – (1) Dr. Alec Jeffreys (2) Dr. V.K. Kashyap (3) Watson and Crick (4) Gregor Mendel
Last Answer : (3) Watson and Crick Explanation: A genealogical. DNA test looks at a person's genetic code at specific locations. Results give information about genealogy or personal ancestry. James D. Watson and Francis Crick are the two scientists who discovered the structure of DNA in 1953.
Description : Explain the Watson - Crick Model of DNA.
Last Answer : The structure of DNA molecule resembles a spirally twisted ladder called double helix. It has a pair of polynucleotide chain running anti-parallel (run parallel to each other but with opposite ... alternatively. The nitrogenous bases connect the two opposite strands like the rungs of a ladder.
Description : What is Watson and crick Model of DNA?
Last Answer : Each DNA molecule is made of thousands of small units called nucleotides. There are four types of nucleotides in DNA. I. Adenine (A) nucleotides II. Thymine (T) nucleotides III. Cytosine (C) ... two stands formed of nucleotides. These two are linked with each other by cross bands like a ladder.
Description : Describe the molecular model of DNA in brief as given by Watson and Crick.
Last Answer : Ans: 1. DNA is double helical structure resembles a twisted ladder. 2. Each strand shows 5'→ 3' polarity and one strand is antiparallel to the other. Every strand has deoxyribonucleotides. 3 ... consists of 10 base pairs. The angle between the successive nucleotides of the same strand is 36o.
Description : Which of the following events occurred first ? (1) DNA structure of genes was discovered by James D Watson and Francis Crick (2) Yuri Gagarin became the first man in space (3) World's first human heart ... by Dr. Christian Barnard (4) World's first test tube baby Louise Brown was born in U.K
Last Answer : DNA structure of genes was discovered by James D Watson and Francis Crick
Description : DNA test was developed by (1) Dr. Alec Jeffreys (2) Dr. V.K. Kashyap (3) Watson and Crick (4) Gregor Mendel
Last Answer : Watson and Crick
Description : Who among the following analysed DNA for the first time ? (1) Arthur Cornberg (2) Hargobind Khurana (3) M. W. Nirenberg (4) Watson and Krick
Last Answer : Watson and Krick
Description : How Griffith's experiment helps in the identification of DNA as the genetic material. -Biology
Description : What percent of the material in a DNA molecule contains the genetic code?
Description : Prokaryotic genetic material is: (a) Liner DNA + his tones (b) Circular DNA + his tones (c) Liner DNA without his tones (d) Circular DNA without his tones
Last Answer : Ans. ((d))
Description : The process of using information (genetic material) from DNA to construct m-RNA
Last Answer : Ans. Transcription
Description : In human body, the cell growth and differentiation are highly controlled and regulated, but in cancer cells. (a) there is breakdown of these regulatory mechanism leading to formation of benign and malignant ... is mutated and produced in less amount (d) DNA is mutated and produced in less amount
Last Answer : Ans:(a)
Description : Which of the following is true? (1) DNA is the genetic material in most of the organism (2) RNA is the genetic material in most viruses and bacteria (3) DNA is the genetic material in all the viruses (4) RNA is the genetic material in all the viruses
Last Answer : (1) DNA is the genetic material in most of the organism Explanation: Deoxyribonucleic acid (DNA) molecules are informational molecules encoding the genetic instructions used in the development and functioning of all ... letters. G, A, T, and C. DNA is well-suited for biological information storage.
Description : How did scientists decide that DNA was the genetic material for all cellular organisms?
Last Answer : The proof that the material basis for a gene is DNA came from the work of Oswald T.Avery (1877-1955), Colin M. MacLeod (1909-1972), and Maclyn McCarty (1911-) in a paper published ... exposed to DNase, an enzyme that destroys DNA, all transformation activity ceased. The transforming factor was DNA.
Description : Human immuno deficiency virus (HIV) has a protein coat and a genetic material which is (a) double stranded RNA (b) double stranded DNA (c) single stranded DNA (d) single stranded RNA
Last Answer : (d) single stranded RNA.
Description : Similarity in DNA and RNA is that (a) both are polymer of nucleotides (b) both have similar pyrimidine (c) both have similar sugar (d) both are genetic material.
Last Answer : (b) both have similar pyrimidine
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 : The unequivocal proof of DNA as the genetic material came from the studies on a (a) bacterium (b) fungus (c) viroid (d) bacterial virus.
Last Answer : (c) viroid
Last Answer : both are polymer of nucleotides
Description : In prokaryotes, the genetic material is (a) linear DNA without histones (b) circular DNA without histones (c) linear DNA with histones (d) circular DNA with histones.
Last Answer : circular DNA without histones
Description : What is the genetic material in influenza virus? (a) Double helical DNA (b) RNA (c) Single helix DNA (d) None of these
Last Answer : (b) RNA
Description : Which of the following statements is not true for retroviruses? (a) DNA is not present at any stage in the life cycle of retroviruses. (b) Retroviruses carry gene for RNA-dependent DNA ... mature retroviruses is RNA. (d) Retroviruses are causative agents for certain kinds of cancer in man.
Last Answer : (a) DNA is not present at any stage in the life cycle of retroviruses