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DNA and RNA, Genes, Chromosomes Test

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4 Written Questions

4 Multiple Choice Questions

  1. protein
  2. purines: adenine and guanine
    pyrimidlines: cytosine and thymine
  3. DNA- Adenine to Thymine, and Guanine to Cytosine
    RNA Thymine to Uracil, and Cytosine to Guanine
  4. DNA- double stranded, contains deoxyribose sugar and thymine base
    RNA- single stranded, contains ribose sugar and uracil base

3 True/False Questions

  1. How many pairs of chromosomes are found in humans?23 chromosomes


  2. Where do the chromosomes in each pair come from?one from each parent


  3. what is a chromosome?sequence of DNA that codes for a protein and determines a trait


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