Which of the following is true about the method of sequencing DNA fragments developed by Frederick Sanger?
(A) Usage of super computers
(B) Hybridizing the DNA with RNA probe
(C) Automated DNA sequencers are used
(D) Identification of all the genes that are expressed as RNA(ESTs)

There are three basic steps in genetically modifying an organism. Which of the following is wrong statement about the process ? (a) Identification of the DNA with desirable genes (b) Cleaving DNA segments with 'ligase' and joining them with endonuclease (c) Introduction of the identified DNA into the host (d) Maintenance of introduced DNA in the host and transfer of DNA to its progeny

Summarize the process by which the sequence of DNA bases in Human Genome Project was determined using the method developed by Frederick Sanger. Name a free living non-pathogenic nematode whose DNA has been completely sequenced.

Mention the correct sequence of steps followed after separation of DNA fragments by electrophoresis in DNA fingerprinting. (a) Hybridization. (b) Autoradiography . (c) Blotting.

RNA contains which of the following base in place of Thymine of DNA- (a) Thymine (b) Uracil (c) Adenine (d) None of these

Which of the following groups of components is found in all viruses? (a) Envelope, nucleic acid, capsid (b) DNA, RNA and proteins (c) Proteins and a nucleic acid (d) Proteins, nucleic acids, carbohydrates, and lipids

Which of the following statements does not hold true for restriction enzyme? (a) It recongnises a palindromic nucleotide sequence (b) It is an endonuclease. (c) It is isolated from viruses (d) It produces the same kind of sticky ends in different DNA molecules

Which of the following statement is true for the packaging of DNA in eukayotes? A. DNA is packaged with a set of basic protein called histone. B. Histone contain negatively charged amino acid in its side chain. C. DNA packed with histone octamer are called nuclesome. D. Nuclesome is further packed to form chromatin fibre.

Which one of the following is not true about bacterial chromosomes ? (a) There is generally only one chromosome in each bacterial cell (b) A bacterial chromosome is attached to the plasma membrane (c) A bacterial chromosome is in a loop (d) A bacterial chromosome contains both DNA and associated histones

Assertion :- BAC & YAC are the common vectors used in HGP. Reason : In HGP, sequencing was done by automated DNA sequences that worked on methods of F. Sanger.

Some of the steps of DNA fingerprinting are given below. Identify the correct sequence from the option given: A. Electrophoresis of DNA fragments B. Hybridisation with DNA probe C. Digestion of DNA by RENs D. Autoradiography E. Blotting of DNA fragments to nitrocellulose membrane