Functional unit of DNA Is____________?

Related Mcqs:

1. The basic structural unit of a chromosome is____________?

   A. The centromere
   B. Nuceleosome
   C. Telomere
   D. Histone

2. The experiments on DNA molecules in chromosomes for knowing the basis of inherited diseases are conducted by ?

   A. Molecular biologists
   B. Microbiologists
   C. Freshwater biologists
   D. Social biologist

3. The experiments on DNA molecules in chromosomes for knowing the basis of inherited diseases are conducted by________?

   A. Molecular biologists
   B. Microbiologists
   C. Freshwater biologists
   D. Social biologist

4. Purines and pyrimidines are in equal ration in DNA. It was indicated by_______________?

   A. F.Miescher
   B. Chargaff
   C. Watson & Crick
   D. Harshay & Chase

5. Which statement correctly describes the transcription of DNA?

   A. It produces another DNA molecule
   B. It produces mRNA
   C. It is a semi conservation process
   D. It occurs at surface of ribosomes

6. DNA or RNA of viruses is enclosed in _______________ coat?

   A. Protein
   B. Carbohydrate
   C. Lipid
   D. DNA

7. 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

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. DNA of mitochondria is__________?

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

   Submitted by: Kiran Zafar

10. The structure of DNA was proposed by_________?

    A. Louis Pasture
    B. William Harvey
    C. Charles Darwin
    D. Watson and Crick

    Submitted by: Ahmed Khan