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Cells and Energy Review ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ 1. Which of the following statements is true for all cells? a. They use solar energy. b. They use photosynthesis. c. They use chemical energy. d. They use chemosynthesis. 2. Which phrase best describes the function of the ATP molecule? a. uses energy b. carries energy c. absorbs energy d. converts energy 3. Where does the chemical energy to produce ATP come from? a. the conversion of ATP to ADP b. the use of chemicals from the environment to build sugars c. the addition of a phosphate group to ATP d. the breakdown of carbon-based molecules such as glucose into smaller molecules 4. Energy is released from an ATP molecule for cellular processes when it a. has a phosphate group removed. b. stores an extra phosphate group. c. converts a phosphate group to ADP. d. produces a sugar molecule. 5. Which of the following statements best describes the process of photosynthesis? a. Plants use oxygen to make simple sugars. b. Chlorophyll builds sugars in the matrix. c. Light breaks down water molecules and releases carbon dioxide. d. Chloroplasts absorb sunlight and store chemical energy as food. 6. What is the term for an organism that makes its own source of chemical energy? 7. The main light-absorbing pigments found in plant leaves are called 8. The function of the light-dependent reactions is to a. build sugars. b. capture and transfer energy. c. release carbon dioxide. d. form water molecules. 9. The light-independent reactions of photosynthesis need _______________. 10. Which of the following types of organisms uses cellular respiration for their cellular energy needs? a. eukaryotes b. plants only c. animals only d. prokaryotes 11. Which process breaks down sugars to make ATP when oxygen is present? 12. The part of cellular respiration in which glucose is broken down is called 13. Two products of the Krebs cycle are 14. What provides the electron transport chain in cellular respiration with the energy it needs to function? 15. Which phrase best describes the main role of fermentation? a. converts glucose into pyruvate and NADH b. produces lactic acid to counteract an oxygen deficit c. allows glycolysis to continue making a small amount of ATP d. allowing anaerobic production of ADP 16. Which phrase about fermentation is correct? a. takes place without oxygen b. uses electron transport chain c. only occurs in bacteria d. is an aerobic process 17. Which end product of fermentation causes the burning feeling in muscles that are working hard? 18. Why does a runner breathe hard for a few minutes after finishing a race? a. The runner's cells need oxygen to make lactic acid. ____ 19. ____ 20. ____ 21. ____ 22. ____ 23. ____ 24. b. The runner's cells continue the fermentation process. c. The runner's cells are making up for an oxygen deficit d. The runner's cells cannot perform glycolysis. Which end product of alcoholic fermentation is important in the baking industry? What molecule carries a high amount of chemical energy that cells use for their functions? Which of the following molecules found in the food we eat is most commonly broken down to make ATP? a. carbohydrates b. lipids c. proteins d. vitamins Chemosynthesis is a process through which some organisms use energy from chemicals in their environment to build sugars in the absence of The water molecules are going to the thylakoids to take part in which process? a. light-dependent reactions b. Krebs cycle c. Calvin cycle d. light-independent reactions Which of the following is a reactant in photosynthesis? a. O 2 b. C6H12O6 c. CO 2 ____ 25. ____ 26. ____ 27. ____ 28. d. COOH Where in plant cells are the energy-absorbing molecules for photosynthesis located? What happens to the sugars that are made during photosynthesis? a. They move directly into an electron transport chain. b. They go back into the Calvin cycle. c. They can be used for cellular respiration. d. They make ATP by bonding together. Which process is best represented by the following chemical equation? sugars + oxygen carbon dioxide + water a. cellular respiration b. photosynthesis c. glycolysis d. fermentation Which is best shown by Figure 4.2 below? ____ 29. An electron transport chain that produces ATP is part of both the cellular respiration process and ____ 30. Which of the following reactions provides the chemical energy for most cell functions? a. ATP - P ADP b. ATP + P ADP c. ADP - P ATP d. ADP + P ATP ____ 31. Which process would bacteria living near a heat vent on the ocean floor use to build carbon-based molecules, such as sugars? ____ 32. Which of the following best describes the molecules in second part of photosynthesis? a. carbon monoxide entering the light-independent reactions b. water entering the thylakoid membrane c. carbon dioxide entering the Calvin cycle d. oxygen entering an electron transport chain ____ 33. Which chemical equation best represents the process of photosynthesis? ____ 34. Which of the following of the photosystems in the light-dependent reactions of photosynthesis? ____ 35. The aerobic stages of cellular respiration take place in the ____ 36. Which process allows glycolysis to continue in the absence of oxygen? ____ 37. When pyruvate is a reactant in cellular respiration it means that a. oxygen is present. b. all ATP is made in the cytoplasm. c. only fermentation is taking place. d. glycolysis has stopped. ____ 38. During aerobic cellular respiration, in which of the following locations do ATP molecules form? a. cytoplasm only c. mitochondrial matrix and outer membrane b. Mitochondrial matrix d. cytoplasm, mitochondrial matrix, and outer mitochondrial membrane ____ 39. Which of the following colors of visible light is in the correct order of increasing wavelengths (low to high)? a. red, orange, yellow, green, blue, violet c. red, orange, yellow, green, indigo, violet b. violet, green, blue, yellow, orange, red d. violet, blue, green, yellow, orange, red ____ 40. Which pathway shows cellular respiration? a. glucose->pyruvic acid->carbon dioxide + c. glucose->pyruvic acid->carbon dioxide +ethyl water + 36 ATP alcohol + 2 ATP b. glucose->pyruvic acid->lactic acid +2 ATP d. glucose->pyruvic acid->carbon dioxide + 36 ADP ____ 41. Photosynthesis is to chloroplasts as cellular respiration is to a. chloroplasts c. mitochondria b. cytoplasm d. nuclei ____ 42. The products of photosynthesis are the ____ 43. Which process generates most of the ATP produced during cellular respiration? a. Electron Transport Chain c. Glycolysis b. Fermentation d. Krebs Cycle 44.Thylakoid membranes within chloroplasts contain chlorophyll. The Calvin Cycle occurs in the stroma of the chloroplasts. How are the processes occuring within the Calvin Cycle and the thylakoid membrane connected? a. The Calvin Cycle uses high-energy molecules formed in the c The processes in the thylakoid membrane use high-energy thylakoid membrane to convert CO2 into sugar molecules. . molecules formed during the Calvin Cycle to convert CO2 into sugar molecules. b. The Calvin Cycle uses sugar molecules formed within d. The processes in the thylakoid membrane use sugar the thylakoid membrane to generate high-energy molecules formed during the Calvin Cycle to generate highmolecules. energy molecules. ____ 45. Which color(s) is/are best reflected in plants? ____ 46. Where do the light independent reactions occur? ____ 47. Which of the following is an autotroph? a. mushroom c. leopard b. dog d. tree ____ 48. The starting molecule for glycolysis is _______. ____ 49. Which of the following is not a stage of cellular respiration? a. Calvin Cycle c. glycolysis b. Kreb’s Cycle d. electron transport chain ____ 50. A student grew algae in the presence of a poison that stops the light-independent reactions of photosynthesis. As a result, which molecules will the light-dependent reactions stop producing? a. ADP and NADP+ c. ATP and NADP+ b. ADP and NADPH d. ATP and NADPH