Practice Quiz

DAT Review Questions (Dental Admissions) - Question List

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21. A mutation in DNA that changes the DNA sequence but does not alter the amino acid of a protein is known as ____________.
  1. Silent mutation
  2. Frameshift mutation
  3. Insertion mutation
  4. Deletion mutation
  5. Point mutation
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22. What metabolic pathway converts glucose into pyruvate?
  1. Hydrolysis
  2. Glucogenesis
  3. Glycolysis
  4. Glycogenesis
  5. Glycogenolysis
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23. A student adds drops of lemon juice to a red cabbage pigment. What color is the solution most likely to be?Here is the pigment table for red cabbage once again:pH 1-2 Pink/AcidpH 3-4 Dark Red/AcidpH 5-6 Violet/AcidpH 7-8 Blue/Neutral-BasepH 9-10 Blue-Green/BasepH 11-12 Green-Yellow/Base
  1. Pink
  2. Blue
  3. Blue-green
  4. Greenish yellow
  5. Violet
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24. Giraffes with longer necks can reach more food and are more likely to survive and produce offspring. This is an example of:
  1. Natural selection
  2. Divergent evolution
  3. Coevolution
  4. Speciation
  5. Convergent evolution
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25. What is the function of the myelin sheath that surrounds neurons?
  1. Increase speed of impulses
  2. Maintain polarization
  3. Decrease friction
  4. Control growth of neurons
  5. Oxygen exchange
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