Name _________________________________________ Block ______________________ Study Guide Unit 4 Cell Processes Section 1: Exchange with the Environment (p. 84) 1. Particles naturally travel from areas of _______________ concentration to areas of ______________ concentration. 2. Osmosis is the _______________of_____________through the cell membrane. 3. How does a wilted plant “drink” water? ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ Moving Small Particles (p. 86) 4. Sugar uses special protein “doorways” to pass through the cell membrane. This is an example of a. b. c. d. osmosis. diffusion. passive transport. exocytosis. Moving Large Particles (p. 87) 5. Excocytosis is used to move particles __________ of a cell. 6. Endocytosis is used to move particles __________ of a cell. Section 2: Cell Energy (p. 88) 7. What is your body telling you when you feel hungry? ________________________________________________________________ ________________________________________________________________ 1 Name _________________________________________ Block ______________________ From Sun to Cell (p. 88) 8. Which of the following statements describe chlorophyll? (Circle all that apply.) a. It is a green pigment. b. It is found in mitochondria. c. It absorbs light energy. d. It is found in plant cells. 9. Which of the following are products of photosynthesis? (Circle all that apply.) a. glucose b. light energy c. oxygen d. carbon dioxide e. water f. ATP Getting Energy from Food (p. 89) 10. How can your body get energy from a banana? ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ 11.Cellular respiration does not use oxygen. True or False?(Circle one.) 12. How does breathing help your cells perform cellular respiration? ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ 13.Which of the following are NOT released during cellular respiration? (Circle all that apply.) a. carbon dioxide b. water c. chlorophyll d. oxygen e. glucose f. energy 14. ATP is a molecule that supplies energy to cells. True or False?(Circle one.) 15. Cellular respiration in animals takes place in the ___________________inside the cell. 2 Name _________________________________________ Block ______________________ Use the diagram on page 90 to answer the questions below. Choose the term in Column B that best matches the description in Column A, and write the corresponding letter in the space provided. Column A 16. ____Glucose is made inside this structure. Column B a. mitochondria 17. ____Oxygen is released during this process. b. ATP 18. ____This is needed along with light and CO2 for photosynthesis. c. cellular respiration 19. ____This molecule stores energy so cells can use it. d. water 20. ____This structure produces ATP e. chloroplast 21. ____Energy is released during this process. f. photosynthesis Section 3: The Cell Cycle (p. 92) 22.Why is it important for your body to produce millions of new cells by the time you finish reading this sentence? ________________________________________________________________ ________________________________________________________________ The Life of a Cell (p. 92) 23. The life cycle of a cell, known as the ________ __________, begins when the cell is ____________________and ends when the cell and forms new cells. Mark each of the following statements True or False. 24.____Prokaryotic cells divide by binary fission. 25.____Eukaryotic cells divide through mitosis. 26. ____Eukaryotic cells have more DNA than prokaryotic cells. 27. ____The chromosomes of eukaryotic cells contain only DNA. 28.In the beginning of the eukaryotic cell cycle, the cell grows and duplicates its ___________________ and ___________________. 29. Chromatids are held together at the _______________________. 30. Mitosis is all of the following EXCEPT a. the process of chromosome separation. b. the second stage of the eukaryotic cell cycle. c. the process during which the cell divides. d. the process by which each new cell gets a copy of each chromosome. 3 Name _________________________________________ Block ______________________ Mitosis and the Cell Cycle (p. 94) 31. In Mitosis, two _____________ are created. 32. Describe how animal cells and eukaryotes without cell walls divide their cytoplasm. ________________________________________________________________ ________________________________________________________________ 33. See the diagram below. Label each cell with the correct phase of mitosis and then follow the directions in Part A. 4