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Ninth Grade (Grade 9) DNA, RNA, and Genetics Questions

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Grade 9 DNA, RNA, and Genetics
Chromosomes are made of DNA and what type of proteins?
  1. Homologous
  2. Histone
  3. Molecular
  4. Nucleic
Grade 9 DNA, RNA, and Genetics
What is a nucleiod?
  1. a membrane enclosed organelle
  2. an area where genetic material is found
  3. a small bomb
  4. none of the above
Grade 9 DNA, RNA, and Genetics
In the ladder analogy of the DNA molecule, the "rungs" (steps) of the ladder are
  1. sugars
  2. phosphates
  3. paired nitrogenous bases
  4. joined sugar and phosphate
Grade 9 DNA, RNA, and Genetics
Phase II clinical trials happen directly after                                          .
  1. animal testing
  2. Phase I clinical trials for safety
  3. Phase I clinical trials for effectiveness
  4. Phase I clinical trials for disease
Grade 9 DNA, RNA, and Genetics
Grade 9 DNA, RNA, and Genetics
Grade 9 DNA, RNA, and Genetics
What is the backbone of the DNA chain?
  1. phosphate groups and sugars
  2. nucleotides
  3. hydrogen bongs and nitrogenous bases
  4. RNA
Grade 9 DNA, RNA, and Genetics
Where is DNA located in a cell?
  1. The Cytoplasm.
  2. The Mitochondria.
  3. The Nucleus.
  4. The Cell Wall.
Grade 9 DNA, RNA, and Genetics
Grade 9 DNA, RNA, and Genetics
Who discovered the double helix structure of DNA?
  1. Erwin Chargaff.
  2. James Watson and Francis Crick.
  3. Rosalind Franklin.
  4. Hershey and Chase.
Grade 9 DNA, RNA, and Genetics
Grade 9 DNA, RNA, and Genetics
Which of the following is the function of tRNA?
  1. The copy of the DNA that goes from the nucleus to the ribosome
  2. Matches up with mRNA and has an amino acid on its top
  3. Site where polypeptide chain is made from amino acids
  4. None of these
Grade 9 DNA, RNA, and Genetics
Grade 9 DNA, RNA, and Genetics
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