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Chapter 7 Review

Chapter 7 Review. Cells. Question?. Cells are grouped into two categories. What is the main difference between the two groups?. Answer:. Eukaryotes contain a nucleus and prokaryotes do not. Question?. Which organelle makes proteins using coded instructions that come from the nucleus?.

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Chapter 7 Review

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  1. Chapter 7 Review Cells

  2. Question? • Cells are grouped into two categories. What is the main difference between the two groups?

  3. Answer: • Eukaryotes contain a nucleus and prokaryotes do not.

  4. Question? • Which organelle makes proteins using coded instructions that come from the nucleus?

  5. Answer: • Answer: ribosomes

  6. Question? • Which organelle converts the chemical energy in food into compounds that are more convenient for the cell to use?

  7. Answer: • mitochondrion

  8. Question? • What is a function of the cell membrane?

  9. Answer: • It regulates what comes in and out of the cell.

  10. Question? • Which organelles are unique to plant cells?

  11. Answer Choloroplast, cell wall

  12. Question? • Which organelle breaks down compounds into small particles that the cell can use?

  13. Answer: • lysosome

  14. Question? • The cells of multicellular organisms are…….

  15. Answer: • Specialized to perform a specific function.

  16. Question? • An organ system is a group of organs that…..

  17. Answer: • Work together to perform a specific function.

  18. Question? • A group of similar cells that perform a particular function is called a(an)….

  19. Answer: • tissue

  20. Question • Describe two roles that bacteria have in the environment.

  21. Answer: • Some capture energy for photosynthesis, break down nutrients in dead matter, etc….

  22. Question? • Explain in terms of osmosis, why a raisin placed in a cup of pure water overnight will puff up with water?

  23. Answer: • The water will move into the raisin because there is a higher concentration of water on the outside, so it will move inside.

  24. Question? • What can a vaccine do when it is injected into the body?

  25. Answer • It prompts the body to produce immunity to the disease.

  26. Question? • A typical virus is composed of?

  27. Answer • A core of DNA or RNA surrounded by a protein coat.

  28. Question? • Diffusion is?

  29. Answer • The movement of particles from and area of high concentration to an area of low concentration.

  30. Question? • Antibiotics are compounds that can……..

  31. Answer • Block the growth and reproduction of bacteria.

  32. Question? • If you wash your hands properly, ordinary soaps do a good job of removing

  33. Answer • bacteria

  34. Question? • Viruses have more difficulty entering plant cells than animal cells because

  35. Answer • Plant cells have tough cell walls.

  36. Question? • What does the cell theory state?

  37. Answer • All living things are composed of cells. • Cells are the basic units of structure and function. • All cells come from existing cells.

  38. Question? • What are the four levels of organization in the human body from simplest to most complex?

  39. Answer • Cells • Tissue • Organs • Organ systems

  40. Question? • Why are viruses not considered to be living things? SARS Virus

  41. Answer • They need to have a host cell in order to reproduce/live.

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