Back to quiz

6. What is the function of mRNA?

  • carries a copy of the DNA code from the nucleus to the mitochondria.
  • Carries a complementary copy of the DNA code from the nucleus to the ribosome.
  • carries a complementary copy of the DNA code to the nucleus
  • carries a copy of the genetic code to the nucleus

7. What name is given to the mRNA after splicing?

  • mature mRNA
  • primary mRNA
  • medium mRNA
  • mature tRNA

8. At which cell organelle does translation occur

  • nucleus
  • cell membrane
  • ribosome
  • protein

9. What are the three parts of an RNA nucleotide?

  • ribose sugar, phosphate and uracil
  • Ribose sugar, phosphate and a base
  • ribose sugar, phosphatase and a base
  • deoxyribose sugar, phosphate and a base

10. What is the function of tRNA?

  • collects a specific amino acid and takes it to the mitochondria
  • Picks up a specific amino acid and carries it to the ribosome
  • picks up a specific amino acid and takes it to the nucleus
  • collects a random amino acid and takes it to the ribosome

11. What enzyme is responsible for unwinding and unzipping the DNA and joining new mRNA nucleotides?

  • Ligase
  • polymerase
  • RNA polymerase
  • DNA polymerase

12. What is the name of the first stage of protein synthesis?

  • translocation
  • synthesis
  • Transcription
  • translation

13. What is the function of ribosomal RNA?

  • Along with protein it forms the structure of a ribosome
  • carries a complementary copy of the DNA code to the ribosome.
  • forms part of the cell membrane
  • picks up a specific amino acid and takes it to the ribosome

14. What term is used to describe a triplet of bases on mRNA

  • amino acid
  • codon
  • anti-codon
  • triplet

15. What two regions does the folding of a tRNA strand create?

  • mRNA binding site and amino acid
  • anti-codon and amino acid binding site
  • anti-codon and amino acid
  • codon and amino acid binding site

16. What process removes the introns from the primary mRNA?

  • splitting
  • exons
  • splicing
  • introns

17. What are the names of the coding regions in the primary transcript?

  • sections
  • Exons
  • splicing
  • Introns

18. What is the name of initial strand of RNA produced by transcription?

  • primary tRNA
  • primary mRNA
  • medium mRNA
  • mature mRNA

19. What are the three types of proteins?

  • Fibrous, globular and conjoined
  • Fibrous, globular and conjugated
  • Fibrous, global and conjugated
  • Full, globular and conjugated