biotechnology Questions

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).Assertion (A): Polymerase chain reaction is used in DNA amplification.Reason (R): The ampicillin resistant gene is used as a selectable marker to check transformation.In the light of the above statements, choose the correct answer from the options given below:

Which one of the following statements is not true regarding gel electrophoresis technique?

DNA polymorphism forms the basis of:

If a geneticist uses the blind approach for sequencing the whole genome of an organism, followed by assignment of functions to different segment, the methodology adopted by him is called as:

Transposons can be used during which one of the following?

In the following palindromic base sequence of DNA, which one can be cut easily by a particular restriction enzyme?

In gene therapy of Adenosine Deaminase (ADA) deficiency, the patient requires periodic infusion of genetically engineered lymphocytes because:

Given below are two statements:Statement I: Restriction endonucleases recognise specific sequences to cut DNA known as palindromic nucleotide sequences.Statement II: Restriction endonucleases cut the DNA strand a little away from the centre of the palindromic site.In the light of the above statements, choose the most appropriate answer from the options given below:

Statements related to human insulin are given below: Which statement(s) is/are correct about genetically engineered Insulin?(a) Pro-hormone insulin contain extra stretch of C-peptide.(b) A-peptide and B-peptide chains of insulin were produced separately in E. coli, extracted and combined by creating a disulphide bond between them.(c) Insulin used for treating Diabetes was extracted from Cattles and Pigs.(d) Pro-hormone insulin needs to be processed for converting into a mature and functional hormone.(e) Some patients develop allergic reactions to the foreign insulin.Choose the correct answer from the options given below:

Which of the following is not a desirable feature of a cloning vector?