Biology Unit 4

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1. What organism helps the process of nitrogen in the atmosphere become ammonia?

  • Saprophytes
  • Denitrifying bacteria
  • Nitrogen fixing bacteria
  • Nitrifying bacteria
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Other questions in this quiz

2. Where does the light dependent stage take place?

  • chlorophyll
  • stroma
  • thylakoids
  • mitochondria

3. What is the end product of glycolysis?

  • pyruvate
  • acetate
  • phosphorylated glucose
  • triose phosphate

4. What does directional selection do?

  • Change the characteristics of a population
  • Preserve the characteristics of a population

5. How many times must the calvin cycle take place to produce one molecules of glucose?

  • 6
  • 5
  • 3
  • 4

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