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Eleventh Grade (Grade 11) DNA, RNA, and Genetics Questions

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Grade 11 DNA, RNA, and Genetics
The component of DNA replication that removes RNA primers is
  1. ligase.
  2. sliding clamp.
  3. RNase H.
  4. polymerase.
  5. primase.
  6. helicase.
  7. SSB.
Grade 11 DNA, RNA, and Genetics
The component of DNA replication that helps hold polymerase to DNA is
  1. helicase.
  2. primase.
  3. SSB.
  4. sliding clamp.
  5. polymerase.
  6. RNase H.
  7. ligase.
Grade 11 DNA, RNA, and Genetics
Along the axis of the DNA molecule, the bases are paired by                                                  bonds, which are actually                                                 .
  1. nitrogen; interactions between the same charges
  2. hydrogen; interactions between different charges
  3. oxygen; interactions between different charges
  4. oxygen; interactions between the same charges
Grade 11 DNA, RNA, and Genetics
The component of DNA replication that prevents re-annealing is
  1. SSB.
  2. ligase.
  3. polymerase.
  4. helicase.
  5. RNase H.
  6. sliding clamp.
  7. primase.
Grade 11 DNA, RNA, and Genetics
The egg donor is the one being cloned.
  1. True
  2. False
Grade 11 DNA, RNA, and Genetics
Approximately how many genes are there on one human chromosome?
  1. 40,000
  2. 100s to 1,000s
  3. 10,000
  4. 25,000
Grade 11 DNA, RNA, and Genetics
How does the DNA get unwound and stay unwound?
  1. primase
  2. helicase
  3. ligase
  4. single-stranded binding protein
Grade 11 DNA, RNA, and Genetics
Which mRNA code corresponds to tyrosine?
  1. UAU
  2. UUU
  3. UAA
  4. UUA
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