Practice Quiz

AP Biology Practice Questions - Question List

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6. Which of the following is part of the cytoskeleton?
  1. Cytoplasm
  2. Flagella
  3. Ribosomes
  4. Golgi bodies
  5. Mitochondria
See answer
7. In the carbon cycle, carbon dioxide is returned to the atmosphere immediately following:

I. Photosynthesis
II. Death
III. Respiration
  1. I only
  2. II only
  3. III only
  4. I and II only
  5. II and III only
See answer
8. In an experiment, mice were infected with helminthes and observed for population change. It was found that mice became sickly and the population decreased. This relationship is an example of ________.
  1. Commensalism
  2. Parasitism
  3. Mutualism
  4. Competition
  5. Community
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9. Which of the following can greatly affect the speed of an enzymatic reaction?

I. pH
II. temperature
III. presence of inhibitors
  1. I only
  2. II only
  3. III only
  4. I and II only
  5. I, II, and III only
See answer
10. 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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