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Seventh Grade (Grade 7) DNA, RNA, and Genetics Questions

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Grade 7 DNA, RNA, and Genetics
The twisted shape of DNA is called a                .
  1. double ladder
  2. double helix
  3. nucleotide
  4. base pair
Grade 7 DNA, RNA, and Genetics
Grade 7 DNA, RNA, and Genetics
The sugar for DNA is called                .
  1. Deoxyribose
  2. Ribose
  3. Sucrose
  4. None of these
Grade 7 DNA, RNA, and Genetics
DNA makes up our                .
  1. Biosphere
  2. Organisms
  3. Cells
  4. Genes
Grade 7 DNA, RNA, and Genetics
Each rung of the DNA ladder is made of                         .
  1. a pair of nitrogen bases
  2. a single nitrogen base
  3. three nitrogen bases
  4. four nitrogen bases
Grade 7 DNA, RNA, and Genetics
Grade 7 DNA, RNA, and Genetics
Grade 7 DNA, RNA, and Genetics
Grade 7 DNA, RNA, and Genetics
What would the complementary DNA stand be to this DNA sequence AGT-CGA-CCG-AAT?
  1. ATC-GCT-TTA-GCG
  2. TCA-GCT-GGC-TTA
  3. GGG-CGC-TTA-TAG
  4. TAG-TAC-GAG-TTC
Grade 7 DNA, RNA, and Genetics
Which of these is NOT a nitrogen base for RNA?
  1. Adenine
  2. Cytosine
  3. Guanine
  4. Thymine
  5. Uracil
Grade 7 DNA, RNA, and Genetics
Grade 7 DNA, RNA, and Genetics
Grade 7 DNA, RNA, and Genetics
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