BIO203 Final Term Past Papers

bio203

procedure of western blotting ? 6 limitation of conventional PCR ?3 defination of linker and adapter? alu -PCR?

BIO203

Difference bw linker and adaptor

Difference bw type !! And type!!s

Mechanism of wga Mechanism of DNA ligase

Limitations of pcr

Western blotting procedure Properties of DNA probe Nomenclature of restrictions enzyme. Also explain mini primer pcr Calculate restriction sites every four, six, eight.

BIO203Methods in Molecular Biology (12-08-2017) Total Q 47 32 Mcqs 3 long Q (5 marks)

1. Mini-primer PCR

Q2. Calculate restriction enzyme bases of 4, 6 and 8?

Q3. Defined the properties of probe?

Short Q 12 (2 and 3 marks)

Q1. Write limitations of PCR?

Q2. What is difference between adopter and linker?

Q3. Function of DNA Ligase?

Q4. Write the first step of RT-PCR?

Q5. Write the mechanism of WGA?

Q6. What is the purpose of blank control and negative control in PCR reaction?

Q7. What is allu-PCR and write it purpose?

Q8. Write difference between type II and type IIs in R-M system?

Q9. Write down nomenclature in joining DNA molecules?

Q10. What is southern blot and how DNA cleaved?

Q11. Mutation identification?

Q12. Use of assmyteric PCR?

Bio 203

Today paper What is the principle strategy while designing primers for WGA

What is the difference between type II and type IIs restriction enzyme

What is the difference between adaptor and linker

What is the first step of RT.PCR

What is the use of methylation PCR Whrite a note on mini PCR Why we use Sourthern blotting technique

Bio203 Final paper 13/08/2017 5:00 pm Total question 47 32 Mcqs

1. Multiplex-PCR consists of multiple primer sets within a ------------ PCR mixture to produce amplicon of varying sizes that are specific to different DNA sequences.
2. The PCR is preceded by a reaction using reverse transcriptase to convert -----------------
3. Real Time PCR is a technique in which ------------------ bind to specific target regions of amplicons to produce fluorescence during PCR.
4. Allele-specific PCR used for identifying of --------------
5. Colony PCR.
6. --------------- is a polymerase chain reaction that actually takes place inside the cell on a slide
7. DNA profiling or DNA fingerprinting is a -------------- technique used to identify individuals by characteristics of their DNA
8. PCR has also facilitated research in detection of ----------------- in plants, animals and environment
9. Type------------- systems are of little value for gene manipulation
10. A suitable system was proposed by -----------------
11. Type II endonucleases recognize and cleave DNA within particular sequences of four to eight nucleotides which have a twofold axis of rotational symmetry i.e. referred as -----------------
12. Six base recognition site occurs every ----------- bp
13. ------- is extracted from phage T4 infected E. coli

Q14. The enzyme responsible for removing phosphate groups from many types of molecules including DNA?????

15. The Southern blot is used to detect the presence of ----------- in a sample by a molecular probe
16. Northern blot is used for Study of ---------------in eukaryotic cells
17. Diseases which are included in prenatal …….
18. RFLP
19. AFLP
20. In Paleontology -------- is studied by PCR.
21. DNA Ligase is extracted from-------------------
22. Nested PCR primers. 2 marks question :
23. Linker and adaptor difference.
24. Type II and IIs difference.
25. Which enzyme is extracted from bacteriophages.

mcqs mostly deffinations of pcr and blotings. 1differ b/w type II and type IIs 2-differ b/w adapter and linker 3-first step of PCR

5properties of prob in southern bloting 6nomenclature of restriction enzymes. 7-mini primer PCR . name of its polymerase and length 8western blotting six steps 9conventional PCR reagents and their use