The structure of DNA was proposed by_________?

Related Mcqs:

1. Pressure flow theory was proposed by_________?

   A. H-Van Mohl
   B. Dixon
   C. Vander wall.
   D. Earnst Munch

2. Ribosomes and DNA are also present in_________?

   A. mitochondria
   B. golgi complex
   C. endoplasmic reticulum
   D. lysosomes

3. Each turn of DNA contain ____________ nitrogenous base pairs?

   A. 5
   B. 10
   C. 20
   D. 25

4. An enzyme which can convert single stranded RNA into double stranded viral DNA is called____________?

   A. DNAase
   B. RNAase
   C. DNA polymerase
   D. Reverse Transcriptase

5. In lysogenic cycle the process of spearation of phage DNA from the hosts chromosome and initiation of lytic cycle is called______________?

   A. Lysis
   B. Lysogeny
   C. Induction
   D. Adsorption

6. In the Lysogenic cycle the DNA of the bacteriophage__________________?

   A. Joins the bacterial chromosomes
   B. Attaches to the inner surface of the host membrane
   C. Is immediately degraded when enters the host
   D. Goes directly to host ribosomes for translation

7. Wilkins X-ray diffraction showed the diameter of the DNA helix as ________?

   A. 10A
   B. 20A
   C. 30A
   D. 40A

   Submitted by: Rashid Mehmood

8. Which one of the following remove nucleotides from the ends of DNA or RNA?

   A. Endonuclease
   B. Exonuclease
   C. S 1 nuclease
   D. Deoxyribonuclease

   Submitted by: Urooj sabar

9. Which organelles contain its own DNA?

   A. nucleus
   B. mitochondria
   C. chloroplast
   D. All of these

   Submitted by: Kiran Zafar

10. DNA of mitochondria is__________?

    A. circular
    B. spring
    C. straight
    D. All of these

    Submitted by: Kiran Zafar