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Quiz by Grace

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41 questions
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  • Q1
    What are the 3 components of a nucleotide?
    sugar, phosphate, nitrogenous base
    30s
  • Q2
    What are the 4 nitrogen bases?
    Adenine, Thymine, Guanine, Cytosine
    30s
  • Q3
    What are the sides of the DNA ladder made of?
    sugar and phosphate
    30s
  • Q4
    What kind of bond holds the nitrogen bases together?
    Hydrogen Bond
    30s
  • Q5
    What sugar is found in DNA?
    deoxyribose
    30s
  • Q6
    What is a gene?
    segment of DNA that codes for a protein
    30s
  • Q7
    How many nitrogen bases are in a cheek cell?
    3 billion
    30s
  • Q8
    What is a histone?
    a protein that provides structural support to a chromosome
    30s
  • Q9
    A pairs with what in DNA
    T
    30s
  • Q10
    G paire with what in DNA
    C
    30s
  • Q11
    How do introns and exons differ?
    Introns are interrupting segments or "junk" DNA and Exons are the portions of DNA that do code for proteins
    30s
  • Q12
    How is RNA different from DNA?
    1) has ribose not deoxyribose 2) contains Uracil (U) instead of Thymine 3) usually single stranded
    30s
  • Q13
    What are the 2 types of RNA?
    mRNA and tRNA
    30s
  • Q14
    List the 4 nitrogen bases found in RNA?
    Uracil, Cystonine, Adenine, Guanine
    30s
  • Q15
    What role does mRNA play in protein synthesis?
    mRNA carries the gene code from DNA to a ribosome for translation.
    30s

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