DNA-Replication-Transcription-Translation
2 years ago
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15 QuestionsShow answers
  • Question 1
    20 seconds
    Q. The two strands of a DNA molecule are held together by ________ bonds between their base pairs.
    answer choices
    covalent
    hydrogen
    ionic
    peptide
  • Question 2
    20 seconds
    Q. Which of the following is not a base found in DNA?
    answer choices
    adenine
    thymine
    cytosine
    uracil
  • Question 3
    20 seconds
    Q. What part of a nucleotide accounts for the genetic variation between individuals?
    answer choices
    phosphate
    nitrogenous base
    deoxyribose
    sugar
  • Question 4
    30 seconds
    Q. If a segment of double-stranded DNA has 40 percent A, how much of it is C?
    answer choices
    40
    10
    15
    20
  • Question 5
    30 seconds
    Q. If one strand of DNA has the sequence TTACCG, the sequence of the other strand of the same molecule will be
    answer choices
    AATGGC
    TTACCG
    AACGGC
    AATGGG
  • Question 6
    20 seconds
    Q. Once replication in a DNA molecule is complete, each new DNA molecule contains 
    answer choices
    two new strands.
    3 exact copies of strands.
    one new strand and one old.
    two old strands.
  • Question 7
    20 seconds
    Q. The polymerase chain reaction (PCR) is used to
    answer choices
    insert DNA from one organism into a new host.
    screen for a particular gene.
    produce many copies of a selected DNA sequence.
  • Question 8
    10 seconds
    Q. Which of the following will NOT generally cause mutations?
    answer choices
    radiation
    DNA replication
    chemicals
    viruses
  • Question 9
    20 seconds
    Q. Which enzyme copies DNA?
    answer choices
    DNA polymerase
    DNA helicase
    RNA polymerase
    RNA helicase
  • Question 10
    20 seconds
    Q. What are the functions of genes?
    answer choices
    instructions for producing proteins
    instructions for producing DNA
    instructions for producing lipids
    they have no function
  • Question 11
    20 seconds
    Q. What does mRNA do?
    answer choices
    provides information from DNA to ribosomes
    transfers amino acids to the ribosomes
    makes up ribosomes
    builds proteins
  • Question 12
    20 seconds
    Q. What does rRNA do?
    answer choices
    provides information from DNA to ribosomes
    transfers amino acids to the ribosomes
    makes up ribosomes
    builds proteins
  • Question 13
    20 seconds
    Q. What does tRNA do?
    answer choices
    provides information from DNA to ribosomes
    transfers amino acids to the ribosomes
    makes up ribosomes
    builds proteins
  • Question 14
    20 seconds
    Q. What is the process that copies information from DNA into RNA?
    answer choices
    protein synthesis
    transcription
    translation
    DNA Polymerase
  • Question 15
    20 seconds
    Q. What is the process that copies information from DNA into RNA?
    answer choices
    protein synthesis
    transcription
    translation
    DNA Polymerase
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