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4 Written questions

4 Multiple choice questions

  1. purines: adenine and guanine
    pyrimidlines: cytosine and thymine
  2. threadlike structure of nucleic acids and proteins for in the nucleus
    carrying genetic information in the form of genes
  3. DNA- Adenine to Thymine, and Guanine to Cytosine
    RNA Thymine to Uracil, and Cytosine to Guanine
  4. 23 chromosomes

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?23 chromosomes


  3. what does each gene produce?sequence of DNA that codes for a protein and determines a trait


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