Description : Which one of the following is used as vector for cloning genes into higher organisms? (a) Baculovirus (b) Salmonella typhimurium (c) Rhizopus nigricans (d) Retrovirus
Last Answer : (d) Retrovirus
Description : Match the organism with its use in biotechnology. (A) Bacillus (i) Cloning vector thuringiensis (B) Thermus (ii) Construction of first aquaticus rDNA molecule (C) Agrobacterium (iii)DNA polymerase tumefaciens (D) Salmonella (iv) Cry proteins ... (ii) (c) (iii) (ii) (iv) (i) (d) (iii) (iv) (i) (ii)
Last Answer : (b) (iv) (iii) (i) (ii)
Description : Salmonella typhimurium characteristics. -Biology
Last Answer : answer:
Description : What is Salmonella typhimurium? -Biology
Description : What does Salmonella typhimurium need to thrive? -Biology
Description : Where is Salmonella typhimurium found? -Biology
Description : Ulcerative enteritis is caused by C A. Salmonella typhimurium B. Mycoplasma iowe C. Clostridium colinum D. None of the these
Last Answer : Clostridium colinum
Description : Which of the following causes plague? (a) Trichinella spiralis (b) Salmonella typhimurium (c) Yersinia pestis (d) Leishmania donovani
Last Answer : (c) Yersinia pestis
Description : Semi-conservative replication of DNA was first demonstrated in (a) Escherichia coli (b) Streptococcus pneumoniae (c) Salmonella typhimurium (d) Drosophila melanogaster.
Last Answer : (c) Salmonella typhimurium
Description : Which of the following is commonly used as a vector for introducing a DNA fragment in human lymphocytes? (a) Retrovirus (b) Ti plasmid (c) λ phage (d) pBR322
Last Answer : (a) Retrovirus
Description : Which of the following is commonly used as a vector for introducing a DNA fragment in human lymphocytes ? (1) Retrovirus (2) Ti plasmid (3) phage (4) pBR 322
Last Answer : (1) Retrovirus
Description : What are the features of cloning vector? -Biology
Description : What is cloning vector? -Biology
Description : Antibiotic resistance gene in a plasmid cloning vector -Biology
Description : Which of the following may be used as a cloning vector? (A) Prokaryotic plasmid(B) Lambda phage (C) Cosmid (D) All of these
Last Answer : Answer : D
Description : The DNA molecule to which the gene of interest is integrated for cloning is called (a) template (b) carrier (c) transformer (d) vector.
Last Answer : (d) vector.
Description : 31. The BamH I restriction site of the cloning vector pBR322 is situated on ... b) rop gene b) ampicillin resistant gene c) ori gene d) tetracycline resistant gene
Last Answer : d) tetracycline resistant gene
Description : 11. The BamH I restriction site of the cloning vector pBR322 is situated on ... a) rop gene b) ampicillin resistant gene c) ori gene d) tetracycline resistant gene
Description : Select the drug which is active against a variety of diarrhoea producing organisms like Giardia, Shigella, Salmonella as well as S. typhi and Trichomonas vaginalis, but is not a first line treatment for any of these: A. Metronidazole B. Mepacrine C. Cotrimoxazole D. Furazolidone
Last Answer : D. Furazolidone
Description : The following organisms are frequently responsible for superinfections except: A. Pseudomonas aeruginosa B. Salmonella typhi C. Clostridium difficile D. Candida albicans
Last Answer : B. Salmonella typhi
Description : All of the following may be used as expression vectors except (A) Plasmid (B) Bacteriophage (C) Baculovirus (D) E. coli
Description : . A common biocontrol agent for the control of plant diseases is (a) baculovirus (b) Bacillus thuringiensis (c) Glomus (d) Trichoderma.
Last Answer : (d) Trichoderma.
Description : Select the correct group of biocontrol agents. (a) Nostoc, Azospirillium, Nucleopolyhedrovirus (b) Bacillus thuringiensis, Tobacco mosaic virus, Aphids (c) Trichoderma, Baculovirus, Bacillus thuringiensis (d) Oscillatoria, Rhizobium, Trichoderma
Last Answer : (c) Trichoderma, Baculovirus, Bacillus thuringiensis
Description : 30. The bioactive moleculae “Statin” is produced by ... b) Trichoderma b) Streptococcus c) Monascus purpureus d) Baculovirus
Last Answer : c) Monascus purpureus
Description : 10. The bioactive moleculae “Statin” is produced by ... a) Trichoderma b) Streptococcus c) Monascus purpureus d) Baculovirus
Description : In Ames’ assay, addition of a carcinogen to the culture medium allows S. typhimurium to grow (A) In the presence of histidine (B) In the presence of arginine (C) In the absence of histidine (D) In the absence of arginine
Last Answer : Answer : C
Description : What is a retrovirus ?
Last Answer : It is a class of viruses having RNA genome and reverse transcriptase enzyme within virus cuspid.
Description : HIV is a - (1) Combination of disease symptoms - (2) developmental index (3) viral disease (4) retrovirus
Last Answer : (4) retrovirus Explanation: The retrovirus then integrates its viral DNA into the DNA of the host cell, which allows the retrovirus to replicate. HIV, the virus that causes AIDS, is a retrovirus.
Description : Which one of the following statements is correct with respect to AIDS? (a) The HIV can be transmitted through eating food together with an infected person. (b) Drug addicts are least ... and nutrition. (d) The causative HIV retrovirus enters helper T-lymphocytes thus reducing their numbers.
Last Answer : (d) The causative HIV retrovirus enters helper T-lymphocytes thus reducing their numbers.
Description : Which of the following is correct regarding AIDS causative agent HIV? (a) HIV is enveloped virus containing one molecule of single-stranded RNA and one molecule of reverse transcriptase. (b) HIV ... ) HIV is unenveloped retrovirus. (d) HIV does not escape but attacks the acquired immune response
Last Answer : (d) HIV does not escape but attacks the acquired immune response.
Description : Which of the following shows coiled RNA strand and capsomeres? (a) Polio virus (b) Tobacco mosaic virus (c) Measles virus (d) Retrovirus
Last Answer : (b) Tobacco mosaic virus
Description : Which of the following viruses is a retrovirus with reverse transcriptase? a. HPV b. polio c. HIV d. Ebola
Last Answer : c. HIV
Description : The virus which causes mononucleosis belongs to which family? a) Cocksackie b) Androvirus c) Epstein-Barr d) Retrovirus
Last Answer : ANSWER: C -- EPSTEIN-BARR
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 : In cloning of cattle a fertilized egg is taken out of the mother's womb and (a) in the eight cell stage, cells are separated and cultured until small embryos are formed which are implanted into the ... d) the egg is divided into 4 pairs of cells which are implanted into the womb of other cows.
Last Answer : (a) in the eight cell stage, cells are separated and cultured until small embryos are formed which are implanted into the womb of other cows
Description : In Ames’ assay, liver homogenate is included in the culture medium because (A) It converts pro-carcinogens into carcinogens (B) Liver can metabolise histidine (C) Salmonella mainly infects liver (D) Liver is very susceptible to cancer
Last Answer : Answer : A
Description : What is cloning?
Last Answer : Cloning is the process of creating an exact genetic copy of an organism, and is an important concept in genetics and biotechnology.
Last Answer : Cloning is the process of creating a genetically identical copy of an organism, typically through the use of somatic cell nuclear transfer or other techniques.
Last Answer : Cloning is the process of creating a genetically identical copy of an organism, often using somatic cell nuclear transfer or other advanced reproductive technologies.
Last Answer : Cloning is the process of creating genetically identical copies of an organism or cell.
Last Answer : A: Cloning is the process of producing genetically identical copies of an organism, either naturally or artificially.
Description : What is your opinion on cloning to reproduce endangered species and why?
Last Answer : I think It’s probably like catching and restoring falling tiles to a roof while the house is crumbling.
Description : Give us your opinion on cloning.
Last Answer : answer:I think saving a DNA bank of all endangered plant and animal species is an excellent idea. There are problems with cloning though, in that the animal cloned may have health problems due to aging of ... we want. Is that ethical? It depends on what we design and what its intended use will be.
Description : Why do you take leaves off a plant when cloning it ?
Last Answer : Are you talking about taking leaves off the mother plant or the clipping (the daughter)?
Description : What are your thoughts on human cloning used for good?
Last Answer : I am all for scientific advances, artificial intelligence, human cloning, the nine…in an ideal world…which we don’t have…I don’t think we, as a society, are in any shape to handle such advances ethically
Description : Would that advent of human cloning mean the end of "man"?
Last Answer : Somebody’s got to open that jar of pickles.
Description : Cloning Objects in PHP?
Last Answer : I usually use it when I'm at a midpoint that I'll be using for several objects. How about a oversimplified example just to illustrate the point? If I'm programming a Christmas story and have ... formatted request that I'll be reusing, and then clone the XML object before filling in the particulars.
Description : How can i relate Gregor Mendel and Charles Darwin to cloning?
Last Answer : http://www.ornl.gov/sci/techresources/Human_Genome/elsi/cloning.shtml
Description : How do you feel about cloning and cloned meat?
Last Answer : Im ok with it. More product hopefully will mean a lower price meaning less money outta my pocket for meats. As far as the animals problems go, it’s not like we are giving them their first set of problems by cloning them. Know what I mean?
Description : What is gene cloning? -Biology