DNA Replication And Protein Synthesis Review

28 Questions | Total Attempts: 619

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DNA Replication And Protein Synthesis Review - Quiz

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Questions and Answers
  • 1. 
    What is produced during transcription?
    • A. 

      MRNA molecule

    • B. 

      DNA molecule

    • C. 

      RNA polymerase

    • D. 

      Proteins

  • 2. 
    By what process does a cell copy DNA before it divides?
    • A. 

      Replication

    • B. 

      Translation

    • C. 

      Germination

    • D. 

      Transcription

  • 3. 
    During transcription, an mRNA molecule is formed:
    • A. 

      That is complementary to both strands of DNA.

    • B. 

      That is identical to part of a single strand of DNA.

    • C. 

      That it is double-stranded

    • D. 

      Inside the nucleus.

  • 4. 
    What kind of molecules carry the instructions for protein synthesis?
    • A. 

      DNA and RNA

    • B. 

      Amino acids

    • C. 

      Liqids and carbohydrates

    • D. 

      Enzymes

  • 5. 
    What process is being shown in the diagram?
    • A. 

      Replication

    • B. 

      Translation

    • C. 

      Transcription

    • D. 

      Mutation

  • 6. 
    What happens during the process of translation?
    • A. 

      Messenger RNA is made from DNA.

    • B. 

      TRNA uses information from mRNA to produce amino acid chains (proteins).

    • C. 

      Transfer RNA is made from messenger RNA.

    • D. 

      Copies of DNA molecule are made.

  • 7. 
    What type of molecule is shown here?
    • A. 

      Carbohydrate

    • B. 

      Nucleic acid

    • C. 

      Protein

    • D. 

      Liqid

  • 8. 
     DNA is copied during a process called:
    • A. 

      Replication

    • B. 

      Translation

    • C. 

      Transcription

    • D. 

      Transformation

  • 9. 
    What are the four nitrogen bases for DNA?
    • A. 

      Uracil, Thymine, Adenine, and Guanine

    • B. 

      Cytosine, Thymine, Adenine, Guanine

    • C. 

      Thymine, Adenine, Lytosine, Guanine

    • D. 

      Thymine, Adenise, Guanine, Cytosol

  • 10. 
    The lagging strand is the new strand that grows discontinuously away from the replication fork.
    • A. 

      True

    • B. 

      False

  • 11. 
    What is the name of the fragments of the lagging strand pictured above?
    • A. 

      Binding proteins

    • B. 

      Fragmenting lagging strand

    • C. 

      Okazaki segments

    • D. 

      Coding strands

  • 12. 
    What RNA strand would be produced from the following DNA strand?CCTCATGGC
    • A. 

      GGAGTACCG

    • B. 

      CCTCATGGC

    • C. 

      CCUCAUGGC

    • D. 

      GGAGUACCG

  • 13. 
    Which molecule picks up amino acids and brings them to the ribosome?
    • A. 

      DNA

    • B. 

      MRNA

    • C. 

      TRNA

  • 14. 
    Where does translation occur?
    • A. 

      In the nucleus of the cell

    • B. 

      Outside the cell

    • C. 

      At the ribosomes in the cytoplasm of the cell

  • 15. 
    RNA has all of the following EXCEPT:
    • A. 

      Ribose

    • B. 

      Single strand

    • C. 

      Contains uracil

    • D. 

      Deoxyribose

  • 16. 
    Which of the following is not a nucleic acid?
    • A. 

      Amino acid

    • B. 

      DNA

    • C. 

      RNA

  • 17. 
    What is the shape of the DNA called?
    • A. 

      Double spiral

    • B. 

      Circular

    • C. 

      Double helix

    • D. 

      Spiral

  • 18. 
    Which one is not found in the structure of the DNA?
    • A. 

      Phosphate

    • B. 

      Uracil

    • C. 

      Thymine

  • 19. 
    RNA does not leave the nucleus but DNA does
    • A. 

      True

    • B. 

      False

  • 20. 
    DNA is found in the                            attached to the nucleus.                 
  • 21. 
    What are the building blocks of protein called?
    • A. 

      Polypeptide

    • B. 

      Lipase

    • C. 

      Amino acid

    • D. 

      Enzymes

  • 22. 
    Which one is not part of the Nucleus?
    • A. 

      Ribosomes

    • B. 

      Nuclear membrane

    • C. 

      Nucleoplasm

    • D. 

      Nucleolus

    • E. 

      Chromatin network

  • 23. 
    If a base is added to DNA (an addition mutation - frameshift) - what is the likely outcome?
    • A. 

      The organism will be unable to reproduce.

    • B. 

      The change will cause a genetic disease.

    • C. 

      The DNA will be unable to replicate.

    • D. 

      The DNA will change code for the incorrect protein

  • 24. 
    Which molecule is double-stranded, with each strand held to the other strand by hydrogen bonds?
    • A. 

      DNA molecule.

    • B. 

      Amino acid

    • C. 

      RNA molecule

    • D. 

      Protein

  • 25. 
    What is the yellow piece which breaks apart the hydrogen bonds between two strands of DNA?
    • A. 

      An enyzme (helicase)

    • B. 

      MRNA

    • C. 

      TRNA

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