DAT Review Questions (Dental Admissions) - Question List

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6. Which of the following can function as an inorganic coenzyme?I. IronII. MagnesiumIII. Zinc
  1. I only
  2. II only
  3. III only
  4. I and II only
  5. I, II, and III only
7. Which of the following statements about sex-linked traits in humans is true?
  1. There is an equal probability of inheritance of the trait in children of both sexes.
  2. There are more sex-linked genes on the Y chromosome than on the X chromosome.
  3. X-linked traits can only be inherited from the mother.
  4. Y-linked traits can only be inherited from the father.
  5. Y-linked traits are only inherited by females.
8. Which of the following is not a biotic factor?
  1. Spider silk
  2. Crude oil
  3. Bone
  4. Straw
  5. Water
9. Which of the following statements about adaptive radiation is false?
  1. Adaptive radiation is a rapid process.
  2. Phenotypes adapt to the environment.
  3. Adaptive radiation often occurs as the result of an organism arising in an environment with an undefined niche.
  4. Adaptive radiation results in the creation of numerous species from a single lineage.
  5. Adaptive radiation is not driven by natural selection.
10. Which of the following is a distinguishing feature of viruses?
  1. Viruses can only reproduce using a cell’s machinery.
  2. Viruses are not composed of cells.
  3. Viruses can infect all types of living organisms.
  4. Viruses have genes made up of DNA or RNA
  5. All of the above

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