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 : Assetion: In recombinant DNA technology, human genes are often transferred into bacteria (prokaryotes) or yeast (eukaryote) Reason : Both bacteria and
Last Answer : Assetion: In recombinant DNA technology, human genes are often transferred into bacteria (prokaryotes) or ... . If both assertion and reason are false
Description : .E.coli cells with a mutated z gene of the lac operon cannot grow in medium containing only lactose as the source of energy because (a) the lac operon is constitutively active in these cells ( ... coli cells do not utilise lactose (d) they cannot transport lactose from the medium into the cell.
Last Answer : (b) they cannot synthesise functional beta galactosidase
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 : What is the term used for a segment of DNA with one or more genes in the centre and the twoends carrying inverte d repeat sequences of nucleotides? A- Plasmid B- Transposon C- Insertion sequence D- None of these
Last Answer : Transposon
Description : Which of the statements give below is correct with respect to frameshift mutation a) a single nucleotide base change, insertion, or deletion of the genetic material b) Glutamine is replaced by valine c) ... or deletions of a number of nucleotides in a DNA sequence that is not divisible by three.
Last Answer : d) insertions or deletions of a number of nucleotides in a DNA sequence that is not divisible by three.
Description : When irrigating a colostomy, the nurse lubricates the catheter and gently inserts it into the stoma no more than _______ inches a) 3 The nurse should insert the catheter no more than 3 inches. b ... and not recommended. d) 5 Insertion of the catheter 5 inches is excessive and not recommended.
Last Answer : a) 3” The nurse should insert the catheter no more than 3 inches.
Description : What will be the sequence of mRNA produced by the following stretch of DNA? 3′ATGCATGCATGCATG5′TEMPLATE STRAND 5′ TACGTACGTACGTAC3′ CODING STRAND (a) 3′AUGCAUGCAUGCAUG5′ (b) 5′UACGUACGUACGUAC 3′ (c) 3′ UACGUACGUACGUAC 5′ (d) 5′ AUGCAUGCAUGCAUG 3
Last Answer : d) 5′ AUGCAUGCAUGCAUG 3′
Description : Cistron is a) The coding sequence of DNA b) The functional unit of DNA molecule that codes for a particular gene product c) Intervening non coding sequence of DNA d) The sequences which are removed during RNA splicing.
Last Answer : b) The functional unit of DNA molecule that codes for a particular gene product c) Intervening non coding sequence of DNA
Description : Assertion A: Marine structures are made specially bulky and strong. Reason R: Sea insects result in undermining of the hardest and the soundest building material Select your answer based on the coding system given below: (A) ... of A (C) A is true but R is false (D) A is false but R is true
Last Answer : (A) Both A and R is true and R is the correct explanation of A
Description : Insertion of a base in a gene can cause (A) Change in reading frame (B) Garbled amino acid sequence in the encoded protein (C) Premature termination of translation (D) All of these
Last Answer : Answer : D
Description : Which one of the following could NOT cause a change in the mRNA ―reading frame‖? a. Insertion Sequence b. Base-Pair Substitution c. Base Addition d. Base Deletion
Last Answer : b. Base-Pair Substitution
Description : (3) prevents freezing of petrol Explanation: Ethylene glycol (IUPAC name: ethane-1,2-diol) is an organic compound widely used as an automotive antifreeze and a precursor to polymers. In its pure form, it is ... A mixture of 60% ethylene glycol and 40% water freezes at -45 degree C (- 49 degree F).
Last Answer : Rust is - (1) A mixture of Fe₂O₃ and Fe(OH) ₂ (2) A mixture of FeO and Fe(OH)₂ (3) FeO only (4) A mixture of Fe₂O₃, 3H₂O and FeO
Description : Anyone know how to re-insert the pull chain back into a window shade?
Last Answer : You will have to turn the blind by hand as you insert the bead chain.
Description : Out of the following, which is the most ideal time for insertion of an intra uterine contraceptive device? Options: 1) Immediate post-partum i.e. within first week of delivery2) Post- ... after delivery 3) Immediately after second trimester legal abortion 4) During last week of menstrual cycle
Last Answer : Correct Answer: 2) Post-puerperal i.e. 6-8 weeks after delivery
Description : What is recombinant DNA? -Biology
Last Answer : answer:
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 : What is a recombinant DNA vaccine? -Biology
Description : Give some examples of recombinant DNA vaccine. -Biology
Description : Explain the term Recombinant DNA. -Biology
Description : Why are bacteria used in recombinant DNA technology? -Biology
Description : Why is ligase needed to make recombinant DNA? -Biology
Description : Enzymes used in recombinant DNA technology -Biology
Description : How are restriction enzymes used to make recombinant DNA? -Biology
Description : Which pair of enzymes is necessary to make recombinant DNA? -Biology
Description : Recombinant DNA directly produces changes in -Biology
Description : Recombinant DNA food -Biology
Description : Recombinant DNA construction -Biology
Description : Why is recombinant DNA important? -Biology
Description : Recombinant DNA disadvantages -Biology
Description : What is recombinant DNA ?
Last Answer : The ability to move specific genes from one cell to another and make them work is called genetic engineering. The method used for genetic engineering is called recombinant DNA (DeoxyriboNucleic Acid) technology or gene cloning.
Last Answer : Paul Berg (1972)
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 : A foreign DNA and plasmid cut by the same restriction endonculease can be joined to form a recombinant plasmid using
Last Answer : A foreign DNA and plasmid cut by the same restriction endonculease can be joined to form a recombinant ... B. Ligase C. Eco RI D. Taq polymerase
Description : What scientific field was created when recombinant DNA was made in the 1970s?
Last Answer : genetic engineering
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 first protein synthesized by recombinant DNA technology was (A) Streptokinase (B) Human growth hormone (C) Tissue plasminogen activator (D) Human insulin
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 : The first human hormone produced by recombinant DNA technology is (a) insulin (b) estrogen (c) thyroxin (d) progesterone
Last Answer : (a) insulin
Description : Recombinant DNA is achieved by cleaving the pro-DNAs by (a) ligase (b) restriction endonuclease (c) primase (d) exonucleases.
Last Answer : (b) restriction endonuclease
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.