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Name ______________________________ Class ___________________ Date __________________ Skills Worksheet Worksheet Section 2-2 (C) FROM SUN TO CELL _____ 4. Where does almost all of the energy that fuels life come from? a. the Earth c. plants b. gasoline d. the sun 5. Plants are able to change the sun’s energy into food through the process of ______________________. 6. The molecules in plant cells that absorb light energy are called ______________________ 7. Plants get their green color from ______________________. 10.Photosynthesis produces ______________________. and ______________________. Getting Energy from Food 11. Cells use oxygen during ______________________ to break down food. 12. Many cells are able to get energy without using oxygen through a process called ______________________. 16. Adenosine triphosphate, also called ATP, supplies ______________________ that fuels cell activities. 17. Cellular respiration in the cells of eukaryotes takes place in ______________________inside the cell. 21. How does the process of fermentation help bread rise? __________________________________________________________________________________________ __________________________________________________________________________________________ Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Holt Science and Technology 4 The Cell in Action Name ______________________________ Class ___________________ Date __________________ Match the correct description with the correct term. Write the letter in the space provided. _____ 22. This occurs when cells use oxygen to produce energy from food. _____ 23. This is the breakdown of food without using oxygen. _____ 24. This forms carbon dioxide, CO2, during fermentation and is used to help bread rise. a. oxygen b. yeast c. the sun’s energy d. cellular respiration e. water, carbon dioxide, and _____ 25. This is converted into food by the process of photosynthesis. _____ 26. This is released during photosynthesis, when cells take in CO2. energy f. fermentation _____ 27. This is released by cells during cellular respiration. MATH SKILLS 5. Cells of plant A make 120 molecules of glucose an hour. Cells of plant B make half as much glucose as plant A does. How much glucose does plant B make every minute? Show your work below. Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Holt Science and Technology 5 The Cell in Action Name ______________________________ Class ___________________ Date __________________ Assessment Section 2-2 (C) Quiz Section: Cell Energy Write the letter of the correct answer in the space provided. _____ 1. Cellular respiration is the process by which a. plant cells create glucose. b. cells grow and reproduce. c. cells use oxygen to produce energy from food. d. cells breakdown food without using oxygen. _____ 2. Fermentation in muscle cells produces a. glucose. b. lactic acid. c. water. d. bacteria. _____ 3. Photosynthesis allows a. an animal cell to get energy from food. b. a cell to produce energy without oxygen. c. a plant to produce food (glucose). d. a plant leaf to turn green. Match the correct definition with the correct term. Write the letter in the space provided. _____ 4. the process a plant uses in order to create glucose _____ 5. the place where cellular respiration in eukaryotes takes place _____ 6. the process cells use to produce energy without oxygen a. ATP b. cellular respiration c. photosynthesis d. fermentation e. mitochondria _____ 7. C6H12O6 6O2 6CO2 6H2 Energy _____ 8. the substance that supplies energy to fuel cell activities Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Holt Science and Technology 6 The Cell in Action