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Dna structure

Quiz by Caitlynn Richardson

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28 questions
Show answers
  • Q1
    What is the shape of DNA?
    Double helix
    Circle
    Square
    Triangle
    30s
  • Q2
    What is the function of the DNA double helix?
    It produces energy for the cell.
    It stores genetic information.
    It is involved in cell division.
    It helps with protein synthesis.
    30s
  • Q3
    Which nitrogenous bases pair with each other in the DNA double helix?
    Adenine with cytosine, guanine with thymine
    Adenine with uracil, guanine with cytosine
    Adenine with thymine, guanine with cytosine
    Adenine with guanine, thymine with cytosine
    30s
  • Q4
    What is the sugar component of DNA?
    Deoxyribose
    Glucose
    Fructose
    Ribose
    30s
  • Q5
    What is the full name of the molecule commonly referred to as DNA?
    Ribonucleic acid
    Ribozylic acid
    Deoxyribose acid
    Deoxyribonucleic acid
    30s
  • Q6
    Where in the cell is DNA stored?
    Endoplasmic reticulum
    Cytoplasm
    Mitochondria
    Nucleus
    30s
  • Q7
    What holds the nitrogenous base pairs together in the DNA double helix?
    Hydrogen bonds
    Van der Waals forces
    Covalent bonds
    Ionic bonds
    30s
  • Q8
    What is the role of DNA polymerase in DNA replication?
    To synthesize new strands of DNA
    To proofread and correct errors in the DNA
    To package the DNA into chromosomes
    To break down the original DNA strands
    30s
  • Q9
    Which enzyme separates the DNA strands during DNA replication?
    Helicase
    Ligase
    Topoisomerase
    Polymerase
    30s
  • Q10
    What is the function of primase in DNA replication?
    To seal the gaps between Okazaki fragments
    To proofread and correct errors in the DNA
    To unwind the double helix
    To synthesize short RNA primers
    30s
  • Q11
    Which strand of DNA is synthesized continuously during replication?
    Leading strand
    Template strand
    Lagging strand
    Both strands are synthesized continuously
    30s
  • Q12
    What is the function of DNA ligase in DNA replication?
    To proofread and correct errors in the DNA
    To unwind the double helix
    To join Okazaki fragments together
    To synthesize new strands of DNA
    30s
  • Q13
    What is transcription?
    The process of creating a protein from DNA
    The process of creating a DNA copy of RNA
    The process of creating an RNA copy of DNA
    The process of creating a protein from RNA
    30s
  • Q14
    What is an RNA polymerase?
    An enzyme that catalyzes transcription
    An enzyme that catalyzes DNA replication
    An enzyme that breaks down RNA
    An enzyme that catalyzes translation
    30s
  • Q15
    What is the purpose of transcription?
    To create an RNA copy of DNA for DNA replication
    To create an RNA copy of DNA for protein synthesis
    To create a protein directly from DNA
    To create a DNA copy of RNA for protein synthesis
    30s

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