Yeast artificial chromosome can be used to amplify DNA sequences of the size (A) Upto 10 kb (B) Upto 45 kb (C) Upto 100 kb (D) Upto 1,000 kb

Yeast artificial chromosome can be used to amplify DNA sequences of the size (A) Upto 10 kb (B) Upto 45 kb (C) Upto 100 kb (D) Upto 1,000 kb
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Polymerase chain reaction can rapidly amplify DNA sequences of the size (A) Upto 10 kilobases (B) Upto 45 kilobases (C) Upto 100 kilobases(D) Upto 1,000 kilobases

Description : Polymerase chain reaction can rapidly amplify DNA sequences of the size (A) Upto 10 kilobases (B) Upto 45 kilobases (C) Upto 100 kilobases(D) Upto 1,000 kilobases

Last Answer : Answer : A

DNA fragments upto 45 kilobases in size can be cloned in (A) Bacterial plasmids (B) Lambda phage (C) Cosmids (D) Yeast artificial chromosomes

Description : DNA fragments upto 45 kilobases in size can be cloned in (A) Bacterial plasmids (B) Lambda phage (C) Cosmids (D) Yeast artificial chromosomes

Last Answer : Answer : C

Lambda phage can be used to clone DNA fragments of the size (A) Upto 3 kilobases (B) Upto 20 kilobases (C) Upto 45 kilobases (D) Upto 1,000 kilobases

Description : Lambda phage can be used to clone DNA fragments of the size (A) Upto 3 kilobases (B) Upto 20 kilobases (C) Upto 45 kilobases (D) Upto 1,000 kilobases

Last Answer : Answer : B

Which vector can clone only a small fragment of DNA? (a) Bacterial artificial chromosome (b) Yeast artificial chromosome (c) Plasmid (d) Cosmid

Description : Which vector can clone only a small fragment of DNA? (a) Bacterial artificial chromosome (b) Yeast artificial chromosome (c) Plasmid (d) Cosmid

Last Answer : (c) Plasmid

At a chromosome replication fork, the lagging strand consists of__ That is joined by___. a. RNA sequences; DNA ligase b. Okazaki Fragments; RNA Polymerase c. RNA sequences; ribosomes d. Okazaki fragments; DNA ligase

Description : At a chromosome replication fork, the lagging strand consists of__ That is joined by___. a. RNA sequences; DNA ligase b. Okazaki Fragments; RNA Polymerase c. RNA sequences; ribosomes d. Okazaki fragments; DNA ligase

Last Answer : d. Okazaki fragments; DNA ligase

Twenty cycles of PCR can amplify DNA: (A) 220 fold (B) 202 fold (C) 20 x 2 fold (D) 20 fold

Description : Twenty cycles of PCR can amplify DNA: (A) 220 fold (B) 202 fold (C) 20 x 2 fold (D) 20 fold

Last Answer : Answer : A

The genetic code operates via (A) The protein moiety of DNA (B) The base sequences of DNA (C) The nucleotide sequence of mRNA (D) The base sequence of tRNA

Description : The genetic code operates via (A) The protein moiety of DNA (B) The base sequences of DNA (C) The nucleotide sequence of mRNA (D) The base sequence of tRNA

Last Answer : Answer : C

DNA finger printing is based on the presence in DNA of (A) Constant number of tandem repeats (B) Varibale number of tandem repeats (C) Non-repititive sequences in each DNA (D) Introns in eukaryotic DNA

Description : DNA finger printing is based on the presence in DNA of (A) Constant number of tandem repeats (B) Varibale number of tandem repeats (C) Non-repititive sequences in each DNA (D) Introns in eukaryotic DNA

Last Answer : Answer : B

All of the following statements about restriction endonucleases are true except: (A) They are present in bacteria (B) They act on double stranded DNA (C) They recognize palindromic sequences (D) They always produce sticky ends

Description : All of the following statements about restriction endonucleases are true except: (A) They are present in bacteria (B) They act on double stranded DNA (C) They recognize palindromic sequences (D) They always produce sticky ends

Last Answer : Answer : D

Restriction endonucleases can recognise (A) Palindromic sequences (B) Chimeric DNA (C) DNA-RNA hybrids (D) Homopolymer sequences

Description : Restriction endonucleases can recognise (A) Palindromic sequences (B) Chimeric DNA (C) DNA-RNA hybrids (D) Homopolymer sequences

Last Answer : Answer : A

Besides structural genes that encode proteins, DNA contains some regulatory sequences which are known as (A) Operons (B) Cistrons (C) Cis-acting elements (D) Trans-acting factors

Description : Besides structural genes that encode proteins, DNA contains some regulatory sequences which are known as (A) Operons (B) Cistrons (C) Cis-acting elements (D) Trans-acting factors

Last Answer : Answer : C

DNA contains some palindromic sequences which (A) Mark the site for the formation of replication forks (B) Direct DNA polymerase to turn back to replicate the other strand (C) Are recognized by restriction enzymes (D) Are found only in bacterial DNA

Description : DNA contains some palindromic sequences which (A) Mark the site for the formation of replication forks (B) Direct DNA polymerase to turn back to replicate the other strand (C) Are recognized by restriction enzymes (D) Are found only in bacterial DNA

Last Answer : Answer : C

Satellite DNA contains (A) Highly repetitive sequences (B) Moderately repetitive sequences (C) Non-repetitive sequences (D) DNA-RNA hybrids

Description : Satellite DNA contains (A) Highly repetitive sequences (B) Moderately repetitive sequences (C) Non-repetitive sequences (D) DNA-RNA hybrids

Last Answer : Answer : A

The DNA polymerase commonly used in polymerase chain reaction is obtained from (A) E. coli (B) Yeast (C) T.aquaticus (D) Eukaryotes

Description : The DNA polymerase commonly used in polymerase chain reaction is obtained from (A) E. coli (B) Yeast (C) T.aquaticus (D) Eukaryotes

Last Answer : Answer : C

A cell examined during prophase of cell cycle contained 100 units of DNA and 50 chromosomes. What would be the number of DNA and chromosome in anaphas

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A unix file system has 1-KB blocks and 4-byte disk addresses. What is the maximum file size if i-nodes contain 10 direct entries and one single, double and triple indirect entry each? (A) 32 GB (B) 64 GB (C) 16 GB (D) 1 GB

Description : A unix file system has 1-KB blocks and 4-byte disk addresses. What is the maximum file size if i-nodes contain 10 direct entries and one single, double and triple indirect entry each? (A) 32 GB (B) 64 GB (C) 16 GB (D) 1 GB

Last Answer : (C) 16 GB

XYZ Ltd. issued 10,000 shares of Rs. 100 each at Rs. 120 per share with Rs. 25 on application, Rs. 45 on allotment including premium, Rs. 20 on first call and Rs. 30 on final call. Govind who held 200 shares did not pay any call money and his shares were forfeited. What is the amount to be credited to Share Forfeiture Account on forfeiture ? (A) Rs. 14,000 (B) Rs. 10,000 (C) Rs. 9,000 (D) Rs. 4,000

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Last Answer : Answer: Rs. 10,000

In NEFT, What is the charge for transactions above Rs 10,000 upto Rs.1 lakh? A. not exceeding Rs 2.50 (+ Service Tax) B. not exceeding Rs 5 (+ Service Tax) C. not exceeding Rs 15 (+ Service Tax) D. None of the Above

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$ The regular sequences of a cell cycle is `G_(1),S,G_(2),M` and C ! Replication of DNA occurs during S phase.

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What is complementary mRNA sequences for DNA bases A-T-C-A-G-G?

Description : What is complementary mRNA sequences for DNA bases A-T-C-A-G-G?

Last Answer : What is the answer ?

The process of producing a protein from its DNA- and mRNA-coding sequences.

Description : The process of producing a protein from its DNA- and mRNA-coding sequences.

Last Answer : Ans. Gene expression

Proto-oncogenes are: B A. DNA sequences in cells that are oncogenes themselves B. Cellular copies of genes that were first found in oncogenic retroviruses C. DNA viral sequences that are known to infect human cells D. Bacterial DNA counterparts

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Which one of the following palindromic base sequences in DNA can be easily cut at about the middle by some particular restriction enzyme? (a) (b) (c) (d)

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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.

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The role of molecular chaperones is to A-facilitate binding of ribosomes to mRNA B-degrade newly synthesized polypeptides that contain inaccurate sequences C-.facilitate binding of RNA polymerase to DNA D-aid a newly synthesized polypeptide in folding to its proper shape

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Last Answer : -aid a newly synthesized polypeptide in folding to its proper shape

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Last Answer : aid a newly synthesized polypeptide in folding to its proper shape

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

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The type of recombination that commonly occurs between a pair of homologous DNA sequences is, A- mutagenic recombination B- site-specific recombination C- replicative recombination D- general recombination

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What information can be generated by interrupted mating experiments? A- Levels of DNA homology B- Bacterial genome maps C- DNA nucleotide sequences D- Proteomics of the bacteria

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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.

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