rRNA constitutes ____________% of the total cellular RNA?

Related Mcqs:

1. Messenger RNA is formed in_________?

   A. nucleus
   B. chloroplast
   C. mitochondria
   D. none of these

2. Ribosomes + m-RNA?

   A. Polysome
   B. Phlosome
   C. Polosome
   D. None of these

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

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

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. Which of the following is an RNA virus:

   A. Influenza virus
   B. Herpes virus
   C. HBV
   D. Pox virus

6. 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

7. RNA interference helps in__________?

   A. Cell proliferation
   B. Micropropagation
   C. Cell defence
   D. Cell differentiation

   Submitted by: Maria Aziz

8. In which of the following location enzymes controlling cellular respiration are present____________?

   A. Nucleus
   B. Chlorophast
   C. Milochondria
   D. Ribosome

9. Most of the cellular secretions are ________ in nature?

   A. Glycolipids
   B. Glycoproteins
   C. Nucleohistones
   D. Proteins

10. Kind of cellular respiration which occurs in presence of oxygen is _________ ?

    A. Anaerobic respiration
    B. Aerobic respiration
    C. Nitrogenous respiration
    D. Acidic respiration

    Submitted by: Rashid Mehmood