Description : Assetion: Insertion of recombinant DNA within the coding sequence of `beta-`galactosidase result n colourless colonies. Reason : Presence of insert re
Last Answer : Assetion: Insertion of recombinant DNA within the coding sequence of `beta-`galactosidase result n ... D. If both assertion and reason are false
Description : Assetion: Restriction enzymes cut the strand 27 of DNA to produce sticky ends Reason : Stickiness of the ends faciliates the action of the enzyme DNA
Last Answer : Assetion: Restriction enzymes cut the strand 27 of DNA to produce sticky ends Reason : Stickiness of ... D. If both assertion and reason are false
Description : Which of the following features of genetic code does allow bacteria to produce human insulin by recombinant DNA technology? (a) Genetic code is specific. (b) Genetic code is not ambiguous. (c) Genetic code is redundant. (d) Genetic code is nearly universal
Last Answer : (c) Genetic code is redundant.
Description : Which of the following features of genetic code does allow bacteria to produce human insulin by recombinant DNA technology? (a) Genetic code is specific. (b) Genetic code is not ambiguous. (c) Genetic code is redundant. (d) Genetic code is nearly universal.
Last Answer : (d) Genetic code is nearly universal
Description : The eukaryotic genome differs from the prokaryotic genome because (a) the DNA is complexed with histone in prokaryotes (b) the DNA is circular and single stranded in prokaryotes (c) repetitive sequences are present in eukaryotes (d) genes in the former case are organised into operons.
Last Answer : (b) the DNA is circular and single stranded in prokaryotes
Description : Transformation refers to a. Using A Virus To Transfer DNA Fragments. b. DNA Fragments Transferred Between Live Donor And Recipient Cells. c. The Formation of an F- Recombinant Cell. d. The Transfer of Naked Fragments of DNA
Last Answer : b. DNA Fragments Transferred Between Live Donor And Recipient Cells.
Description : Why are bacteria used in recombinant DNA technology? -Biology
Last Answer : answer:
Description : What aspects of bacteria makes recombinant DNA technology effective?
Last Answer : Bacteria reproduce very quickly.
Description : For production of eukaryotic protein by recombinant DNA technology in bacteria, the template used is (A) Eukaryotic gene (B) hnRNA (C) mRNA (D) All of these
Last Answer : Answer : C
Description : The development of global regulatory systems in prokaryotes A- determines the exact location of the cell on the globe B- aids in DNA replication C- .determines the exact location of the replication site D- regulates many genes under varying environmental conditions
Last Answer : regulates many genes under varying environmental conditions
Description : Human insulins are obtained by the following sources/methods except: A. Cadaver pancreas B. Proinsulin recombinant bacterial C. Precursor yeast recombinant D. Enzyme modification of pork insulin
Last Answer : . Cadaver pancreas
Description : Without restriction endonucleases, it would be very difficult to a. Force Plasmids into Bacteria. b. Chemically Open Dna Molecules. c. Replicate Dna In A Recombinant Cell. d. Bring About Mutations In Bacteria.
Last Answer : b. Chemically Open Dna Molecules.
Description : The first protein synthesized by recombinant DNA technology was (A) Streptokinase (B) Human growth hormone (C) Tissue plasminogen activator (D) Human insulin
Last Answer : Answer : D
Description : The first human hormone produced by recombinant DNA technology is (a) insulin (b) estrogen (c) thyroxin (d) progesterone
Last Answer : (a) insulin
Description : In a test cross involving F1 dihybrid flies, more parental-type offspring were produced than the recombinant-type offspring. This indicates (a) the two genes are linked and present on the ... two genes are located on two different chromosomes (d) chromosomes failed to separate during meiosis.
Last Answer : (a) the two genes are linked and present on the same chromosome
Description : What is the term for manipulating the genes of organisms to introduce new characteristics? a. Genomics b. Genetic engineering c. Recombinant RNA d. Genetic resistance
Last Answer : b. Genetic engineering
Description : In the light of recent classification of living organisms into three domains of life (bacteria, archaea and eukarya), which one of the following statements is true about archaea? (a) Archaea ... respects. (d) Archaea have some novel features that are absent in other prokaryotes and eukaryotes.
Last Answer : (d) Archaea have some novel features that are absent in other prokaryotes and eukaryote
Description : What is recombinant DNA technology? -Biology
Description : Give some examples of recombinant DNA technology applications. -Biology
Description : Name the two types of 'biological tools' used in recombinant DNA technology. -Biology
Description : Enzymes used in recombinant DNA technology -Biology
Description : Recombinant DNA or r DNA technology was discovered by
Last Answer : Recombinant DNA or r DNA technology was discovered by A. Watson and Crick B. Sutton and Avery C. Cohen and Boyer D. Bateson and de Vries
Description : Plasmid vector in DNA recombinant technology means
Last Answer : Plasmid vector in DNA recombinant technology means A. a virus that transfers gene to bacteria B. ... D. any fragment of DNA carrying desirable gene
Description : Applied use of molecular biology and recombinant DNA Technology known as
Last Answer : Ans. Biotechnology
Description : What are plasmids? What is the importance of plasmids for the recombinant DNA technology?
Last Answer : Plasmids are circular fragments of DNA that are accessories to the main bacterial DNA. Plasmids are important for genetic engineering because genes from other organisms are inserted into them to ... utile proteins for humans on an industrial scale. Bacterial Cell Review - Image Diversity: plasmid
Description : Mention any two applications of recombinant DNA technology in a) Animals breeding b) Plant breeding
Last Answer : Recombinant DNA technology is used for improving the quality of animal breeds. It is used to transfer nitrogen fixing gene from the bacteria into plants to enable them to obtain nitrogen.
Description : Mention one application of recombinant DNA technology.
Last Answer : Recombinant DNA technology is used to transfer nitrogen fixing gene from bacteria into plants which enable them to get nitrogen.
Description : What is meant by recombinant DNA technology?
Last Answer : The technique of manipulating the genes in the laboratory is called recombinant DNA technology. It involves the separation of desirable or useful gene from a cell and introduce it into another cell where it is made to express.
Description : What is recombinant DNA technology?
Last Answer : Recombinant DNA technology is the technique of manipulation of genetic material of an organism under laboratory conditions. DNA containing the desired gene is isolated from a cell and then transferred into a new host cell with the help of carrier or Vector DNA.
Description : 7. In a recombinant DNA technology a plasmid vector must be cleaved by a) the same enzyme that leaves the donor gene b) modified DNA ligase c) a heated alkaline solution d) four separate enzymes
Last Answer : a) the same enzyme that leaves the donor gene
Description : 6.9 For therapeutic use, growth hormone is obtained from: A. Recombinant DNA technique B. Human cadaver pituitaries C. Porcine pituitaries D. Chemical synthesis
Last Answer : A. Recombinant DNA technique
Description : Which statement is correct for bacterial transduction? (a) Transfer of some genes from one bacteria to another bacteria through virus. (b) Transfer of genes from one bacteria to another bacteria ... its DNA directly from mother cell. (d) Bacteria obtained DNA from other external source.
Last Answer : (a) Transfer of some genes from one bacteria to another bacteria through virus.
Last Answer : (a) Transfer of some genes from one bacteria to another bacteria through virus
Description : Read the following statements and select the correct option. Statement-I : Nostoc and Bacteria are prokaryotes. Statement-II: Penicillium and Spirogyra are fungi. (1) Only statement I is true (2) Only statement II is true (3) Both statements I and II are true (4) Both statements I and II are false
Last Answer : (1) Only statement I is true
Description : Which one of the following is not an example of eukaryotic organism? (1) Yeast (2) Bacteria (3) Plant (4) Human being
Last Answer : (2) Bacteria Explanation: Eukaryotes are organisms whose cells have a nucleus enclosed within membranes.
Description : Alongside the human genome, what are other genomes beingsequenced? a. Bacteria. b. Yeast. c. Worms. d. All of the above.
Last Answer : d. All of the above.
Description : What is a long continuous strand of DNA that contains genes often see in the shape of an x when with its homologous pa?
Last Answer : The dna strand is a exstractisies
Description : Some DNA is present in mitochondria of (A) Prokaryotes (B) Eukaryotes (C) Both (A) and (B) (D) None of these
Last Answer : Answer : B
Description : What is evidence for the endosymbiotic theory? a. Ribosomes are the same size in eukaryotes and prokaryotes b. Organelles like mitochondria and cholorplasts have their own dna and ribosomes c. Flagella are the same in both types of cells d. A-C are correct
Last Answer : b. Organelles like mitochondria and cholorplasts have their own dna and ribosomes
Description : Gel electrophoresis is used for (a) construction of recombinant DNA by joining with cloning vectors (b) isolation of DNA molecules (c) cutting of DNA into fragments (d) separation of DNA fragments according to their size.
Last Answer : (d) separation of DNA fragments according to their size.
Description : The colonies of recombinant bacteria appear white in contrast to blue colonies of non-recombinant bacteria because of (a) insertional inactivation of alpha galactosidase in recombinant ... beta galactosidase (d) insertional inactivation of alpha galactosidase in non-recombinant bacteria.
Last Answer : (c) non-recombinant bacteria containing beta galactosidase
Description : Select the mismatch. (a) Gas vacuoles – Green bacteria (b) Large central vacuoles – Animal cells (c) Protists – Eukaryotes (d) Methanogens – Prokaryotes
Last Answer : (b) Large central vacuoles – Animal cells
Description : The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are the ones categorisedas (a) cyanobacteria (b) archaebacteria (c) chemosynthetic autotrophs (d) heterotrophic bacteria.
Last Answer : (d) heterotrophic bacteria
Description : Eukaryotic cell organelles first emerged A.from a specialized lineage of cells within the kingdom Protista B.when prokaryotes engulfed each other and became interdependent C.when bacteria made their first attempts at reproduction D.just before the origin of the animal and fungal kingdoms
Last Answer : B.when prokaryotes engulfed each other and became interdependent
Description : The most abundant prokaryotes helpful to humans in marking curd from milk and in production of antibiotics are the ones categorised as (1) Heterotrophic bacteria (2) Cyanobacteria (3) Archaebacteria (4) Chemosynthetic autotrophs
Last Answer : (1) Heterotrophic bacteria
Description : What Structure in both plant and yeast cells but not in bacteria cell?
Last Answer : cellular
Description : What is recombinant DNA? -Biology
Description : What is a recombinant DNA vaccine? -Biology
Description : Give some examples of recombinant DNA vaccine. -Biology
Description : Explain the term Recombinant DNA. -Biology