DNA RNA Protein

20 Questions | Total Attempts: 444

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DNA And Protein Synthesis Quizzes & Trivia

Dna. Rna. Protein synthesis


Questions and Answers
  • 1. 
    RNA molecule that carries copies of instructions for the assembly of amino acids into proteins from DNA to the rest of the cell 
    • A. 

      TRNA

    • B. 

      RRNA

    • C. 

      MRNA

  • 2. 
    Process in which part of the nucleotide sequence of DNA is copied into a complementary sequence in RNA
    • A. 

      Promoter

    • B. 

      Transcription

    • C. 

      Introns

  • 3. 
    Enzyme similar to DNA polymerase that binds to DNA and separates the DNA strands during transcription
    • A. 

      DNA polymerase

    • B. 

      RNA polymerase

    • C. 

      Exons

  • 4. 
    Region of DNA that indicates to an enzyme where to bind to make RNA
    • A. 

      Translation

    • B. 

      Promoter

    • C. 

      Codon

  • 5. 
    Sequences of DNA that is not involved in coding for a protein
    • A. 

      Introns

    • B. 

      Exons

    • C. 

      Codons

  • 6. 
    Expressed sequence of DNA; codes for a protein. involved in protein coding
    • A. 

      Codon

    • B. 

      Nitrogen

    • C. 

      Exons

  • 7. 
    Three-nucleotide sequence on messenger RNA that codes for a single amino acid
    • A. 

      Codon

    • B. 

      DNA

    • C. 

      RNA

  • 8. 
    Process of decoding a mRNA message into a polypeptide chain
    • A. 

      Transcription

    • B. 

      Translation

    • C. 

      Protein synthesis

  • 9. 
    Group of three bases on a tRNA molecule that are complementary to an mRNA codon
    • A. 

      Promoter

    • B. 

      DNA

    • C. 

      Anticodon

  • 10. 
    Type of RNA that makes up the major part of ribosomes
    • A. 

      MRNA

    • B. 

      TRNA

    • C. 

      RRNA

  • 11. 
    Type of RNA molecule that transfers amino acids to ribosomes during protein synthesis
    • A. 

      MRNA

    • B. 

      TRNA

    • C. 

      RRNA

  • 12. 
    Sequence of DNA that codes for a protein and thus determines a trait
    • A. 

      RNA

    • B. 

      Codon

    • C. 

      Genes

  • 13. 
    Change in a DNA sequence that affects genetic information
    • A. 

      Genes

    • B. 

      Mutation

    • C. 

      Point mutation

  • 14. 
    Gene mutation involving changes in one or a few nucleotides
    • A. 

      Mutation

    • B. 

      Point mutation

    • C. 

      Frameshift mutation

  • 15. 
    Mutation that shifts the “reading” frame of the genetic message by inserting or deleting a nucleotide
    • A. 

      Mutation

    • B. 

      Polyploidy

    • C. 

      Frameshift mutation

  • 16. 
    Condition in which an organism has extra sets of chromosomes
    • A. 

      Polyploid

    • B. 

      Polypeptide

    • C. 

      Deoxyribose

  • 17. 
    Group of genes operating together           
    • A. 

      Operator

    • B. 

      Operon

    • C. 

      Hox genes

  • 18. 
    Region of chromosome in an operon to which the repressor binds when the operon is “turned off"
    • A. 

      Operon

    • B. 

      Operator

    • C. 

      Differentiation

  • 19. 
    Process in which cells become specialized in structure and function
    • A. 

      Hox genes

    • B. 

      Differentiation

    • C. 

      Operator

  • 20. 
    Series of genes that controls the differentiation of cells and tissues in an embryo
    • A. 

      Differentiation

    • B. 

      Hox genes

    • C. 

      Operon