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Transcript
Chapter 1 Study Guide Completion Complete each sentence or statement. 1. A ____________________ organism is a living thing that is composed of many cells. 2. Organisms that make their own food are called ____________________. 3. The microscope allowed Hooke to see "tiny rectangular rooms," which he called ____________________. 4. The cell theory states that cells are the basic unit of structure and ____________________ in living things. 5. According to the cell theory, all organisms are made of ____________________. 6. A light microscope that has two or more lenses is called a(n) ____________________ microscope. 7. A lens that is thicker in the center than at the edges is called a(n) ____________________ lens. 8. The structure that allows materials to pass into and out of a cell is the ____________________. 9. A structure found in plant and bacterial cells but not in animal cells is the cell ____________________. 10. What are the characteristics that all living things share? _____________________________________________________________________________________ ______________________________________________________________ 11. Which is the most abundant chemical found in living cells? _______________________ 12. A change in an organism's surroundings that causes it to react is called _______________. 13. A plant growing toward light is an example of _________________________________. 14. The mistaken idea that living things arise from nonliving sources is known as ___________________. 15. The experiments of Redi and Pasteur helped to demonstrate that ____________________. 16. The source of energy for most autotrophs is ___________________________________. 17. What do all living things need to survive? ____________________________________ 18. Homeostasis refers to ________________________________________________. 19. The invention of the microscope made it possible for people to discover and learn about ____. 20. What are the 3 statements of the cell theory? _____________________________________________________________________________________ _____________________________________________________ 21. What is the total magnification of a microscope with two lenses when one lens has a magnification of 15, and the other lens has a magnification of 30? _____________ 22. What does the term resolution refer to? _______________________________________ 23. What is the function of a cell wall? _________________________________________ 24. What is the function of a cell membrane? ______________________________________ 25. Chromatin in the nucleus of a cell __________________________________________. 26. Which organelles produce most of the energy needed by a cell? _____________________ 27. Which organelles produce proteins in the cell? __________________________________ 28. Which organelles release chemicals that break down large food particles into smaller ones? ______________ 29. How does a bacterial cell differ from a plant or animal cell? ________________________ 30. Cells in many-celled organisms ____________________________________________. 31. Specialized cells are found only in _______________________________________. Essay 32. You are looking at the inside of a cell. Explain how you can tell whether the cell is animal, bacterial, or plant. Chapter 1 Study Guide Answer Section COMPLETION 1. multicellular 2. autotrophs 3. cells 4. function 5. cells 6. compound 7. convex 8. cell membrane 9. wall 10. made of cells, similar chemicals, reproduce, respond to surroundings, use energy, grow and develop 11. water 12. stimulus 13. response 14. spontaneous generation 15. that livings things come from living things 16. the sun 17. water 18. an organism's ability to maintain stable internal conditions. 19. cells 20. space, water, energy, homeostasis 21. 450 22. how sharp an image is 23. protect and support the cell 24. let things in and out of the cell 25. contains instructions that direct the functions of a cell. 26. mitochondria 27. ribosomes 28. lysosome 29. it does not have a nucleus 30. are different from one another 31. multicellular organisms ESSAY 32. The cell is an animal cell if it has a nucleus but not a cell wall. The cell is a bacterial cell if it has no nucleus. The cell is a plant cell if it has a nucleus and a cell wall.