Biology Unit 4

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  • Created by: Sarah
  • Created on: 28-04-14 17:40

1. What genetic diseases most often result in males being affected while women can be carriers?

  • Sex linked genes (to the X chromosome)
  • Dominant genes
  • Recessive genes
  • Sex linked genes (to the Y chromosome)
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2. Describes how an organism fits into its environment and its role.

  • Community
  • Ecological niche
  • Habitat
  • Population

3. Where does the electron transport chain take place?

  • cristae
  • matrix
  • cytoplasm

4. Which of these is a feature of intensive rearing?

  • Warm environment
  • All of these
  • High protein food
  • Restricted movement

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

  • Nitrogen fixing bacteria
  • Denitrifying bacteria
  • Nitrifying bacteria
  • Saprophytes
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