Unwinding of DNA is done by____________? - PakMcqs

Related Mcqs:

1. Babu, a 28 year old male comes with compaint of exposure 3 wks back, having cervical Lymphadenopathy, Hepatosplenomegaly. Diagnosis of HIV is done by____________?

   A. ELISA B. Western blot C. P24 antigen D. Lymph node biopsy...

2. DNA double helix is bound by_____________?

   A. Covalent bond B. Hydrogen bond C. Disulfide linkage D. Vander wall forces...

3. Which of the following process in involved in conversion of DNA to RNA___________?

   A. Conjugation B. Transduction C. Translocation D. Transcription...

4. Which of the following is used in recombinant DNA technology ?

   A. Restriction endonucleases B. PCR C. Reverse transcriptase FISH D. None of these...

5. Denaturation of double stranded DNA involves_______________?

   A. It gets broken down to nucleotides B. It becomes single stranded reversibly C. It becomes single stranded irreversibly D. It becomes double stranded irreversibly...

6. On complete hydrolysis of DNA we will get all the following except______________?

   A. Deoxy pentose sugar B. Phosphoric acid C. Adenosine D. Purine bases...

7. The portion of DNA in Which RNA polymerase binds and starts transcription is called______________?

   A. Terminator B. Anti terminator C. Operator D. Promoter region...

8. The process by which a base sequence of messenger RNA is synthesized (by a RNA polymerase) on a template of complementary DNA is called______________?

   A. Transcription B. Transduction C. Translation D. Translocation...

9. The protein rich in basic amino acids, which functions in the packaging of DNA is chromosomes is______________?

   A. Histone B. Collagen C. Hyaluronic acid binding protein D. Fibrinogen...

10. An enzyme that makes a double stranded DNA copy from a single stranded RNA template molecule is known as____________?

    A. DNA polymerase B. RNA polymerase C. Reverse transcriptase D. Phospho kinase...