DNA Replication And Protein Synthesis! Quiz

27 Questions | Total Attempts: 94

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DNA Replication And Protein Synthesis! Quiz

What do you know about DNA replication? DNA replication is the biological course of action of creating two identical replicas of DNA from one original DNA model. DNA replication occurs in all living organisms that are an essential part of biological inheritance. Protein synthesis balances the loss of cellular proteins through the production of new proteins. This quiz will teach you more about DNA replication and protein synthesis. Give it a shot.


Questions and Answers
  • 1. 
    DNA located in the nucleus of a cell provides the genetic information required to build proteins in a cell. However, proteins are made outside the nucleus. Which statement best explains how the genetic instructions for protein synthesis are delivered outside the nucleus?
    • A. 

      Amino acids carry the genetic information through the Golgi apparatus.

    • B. 

      The nucleus divides and one-half the genetic information is used to build proteins.

    • C. 

      The endoplasmic reticulum migrates into the nucleus and attaches to the DNA.

    • D. 

      The genetic information is transferred out of the nucleus by RNA.

  • 2. 
    Which of the following is a nucleotide found in DNA?
    • A. 

      Ribose + phosphate group + thymine

    • B. 

      ribose + phosphate group + uracil

    • C. 

      Deoxyribose + phosphate group + uracil

    • D. 

      Deoxyribose + phosphate group + cytosine

  • 3. 
    In a DNA molecule, what base is paired with cytosine?
    • A. 

      Thymine

    • B. 

      Guanine

    • C. 

      Adenine

    • D. 

      Uracil

  • 4. 
    Because of base pairing in DNA, the percentage of
    • A. 

      Adenine molecules in DNA is about equal to the percentage of guanine molecules.

    • B. 

      Pyrimidines in DNA is about equal to the percentage of purines.

    • C. 

      Purines in DNA is much greater than the percentage of pyrimidines.

    • D. 

      Cytosine molecules in DNA is much greater than the percentage of guanine molecules.

  • 5. 
    A strand of DNA is made up of the bases CATAGCGTA. What is the complementary base sequence on the other strand of DNA? A) CATAGCGTA   B) UTATCUCAT   C) GTATCGCAT   D) CAUAGCCUA
    • A. 

      CATAGCGTA

    • B. 

      UTATCUCAT

    • C. 

      GTATCGCAT

    • D. 

      CAUAGCCUA

  • 6. 
    DNA replication results in two DNA molecules, A) each with two new strands.   B) one with two new strands and the other with two original strands.   C) each with one new strand and one original strand.   D) each with two original strands.
    • A. 

      Each with two new strands.

    • B. 

      One with two new strands and the other with two original strands.

    • C. 

      Each with one new strand and one original strand

    • D. 

      Each with two original strands

  • 7. 
    What takes place during replication? A) the information in a molecule of DNA is copied before cell division occurs   B) information from mRNA is used to make proteins   C) mRNA makes a copy of the DNA template   D) rRNA reads the information from mRNA to make proteins
    • A. 

      The information in a molecule of DNA is copied before cell division occurs

    • B. 

      Information from mRNA is used to make proteins

    • C. 

      MRNA makes a copy of the DNA template

    • D. 

      RRNA reads the information from mRNA to make proteins

  • 8. 
    What is the job of DNA polymerase? A) It translates the mRNA while it proofreads for mutations.   B) It transforms DNA into RNA by breaking the hydrogen bonds.   C) It makes a complimentary strand of DNA and then proofreads it.   D) It makes a complimentary strand of RNA and then proofreads it.
    • A. 

      It translates the mRNA while it proofreads for mutations.

    • B. 

      It transforms DNA into RNA by breaking the hydrogen bonds.

    • C. 

      It makes a complimentary strand of DNA and then proofreads it.

    • D. 

      It makes a complimentary strand of RNA and then proofreads it.

  • 9. 
    Genes are sections of DNA that contain instructions for assembling.
    • A. 

      Purines

    • B. 

      Nucleosomes

    • C. 

      Proteins

    • D. 

      Pyrimidines

  • 10. 
    RNA contains the sugar A) ribose.   B) deoxyribose.   C) glucose.   D) lactose.
    • A. 

      Ribose

    • B. 

      Deoxyribose

    • C. 

      Glucose

    • D. 

      Lactose

  • 11. 
    Unlike DNA, RNA contains
    • A. 

      Adenine

    • B. 

      Uracil

    • C. 

      Phosphate groups

    • D. 

      Thymine

  • 12. 
    How many types of RNA are involved in protein synthesis?
    • A. 

      1

    • B. 

      3

    • C. 

      Hundreds

    • D. 

      Thousands

  • 13. 
    Which cell structures are involved in protein synthesis?  
    • A. 

      Cell wall

    • B. 

      Ribosomes

    • C. 

      Mitochondria

    • D. 

      Vacuoles

    • E. 

      All of the above

  • 14. 
    During protein synthesis, genetic material is transferred from _____.   
    • A. 

      RNA to DNA to proteins

    • B. 

      DNA to RNA to proteins

    • C. 

      DNA to glucose to proteins

    • D. 

      Proteins to RNA to DNA

  • 15. 
    Which of the following are copied from DNA?  
    • A. 

      MRNA only

    • B. 

      MRNA, tRNA, and rRNA

    • C. 

      MRNA and tRNA only

    • D. 

      Proteins

  • 16. 
    During transcription, what base pairs with adenine?  
    • A. 

      Uracil

    • B. 

      Thymine

    • C. 

      Guanine

    • D. 

      Cytosine

  • 17. 
    What is produced during transcription? A) RNA molecules   B) DNA molecules   C) RNA polymerase   D) proteins
    • A. 

      RNA molecules

    • B. 

      DNA molecules

    • C. 

      RNA polymerase

    • D. 

      Proteins

  • 18. 
    What is produced during translation? A) RNA molecules   B) DNA molecules   C) RNA polymerase   D) proteins
    • A. 

      RNA molecules

    • B. 

      DNA molecules

    • C. 

      RNA polymerase

    • D. 

      Proteins

  • 19. 
    Which type of molecule transcribes the information from a DNA molecule to a molecule that carries the information to a ribosome?
    • A. 

      TRNA

    • B. 

      RRNA

    • C. 

      MRNA

    • D. 

      DRNA

  • 20. 
    How many codons are needed to specify three amino acids?
    • A. 

      3

    • B. 

      6

    • C. 

      9

    • D. 

      12

  • 21. 
    What happens during the process of translation?  
    • A. 

      Messenger RNA is made from DNA.

    • B. 

      The cell uses information from messenger RNA to produce proteins.

    • C. 

      Transfer RNA is made from messenger RNA.

    • D. 

      Copies of DNA molecules are made.

  • 22. 
    During translation, the type of amino acid that is added to the protein chain depends on the  
    • A. 

      Codon on the mRNA only.

    • B. 

      anticodon on the mRNA only.

    • C. 

      Anticodon on the tRNA to which the amino acid is attached only.

    • D. 

      Codon on the mRNA and the anticodon on the tRNA to which the amino acid is attached.

  • 23. 
    Where does transcription occur?  
    • A. 

      Cytoplasm

    • B. 

      Ribosome

    • C. 

      Nucleus

    • D. 

      Nucleolus

  • 24. 
    Where does translation occur?
    • A. 

      Cytoplasm

    • B. 

      Ribosome

    • C. 

      Nucleus

    • D. 

      Nucleolus

  • 25. 
    The mRNA sequence ACU codes for the amino acid Thr. A mutation occurs, and the resulting mRNA sequence is AUU. What amino acid will replace Thr?
    • A. 

      Val

    • B. 

      Met

    • C. 

      Ile

    • D. 

      Ala

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