__ (1) Disk-shaped structures photosynthetic plgments are called d. autotrophs a. Krebs cycles b. carbohydrates c. thylakoids __ 2. Energy from ATP is released when a. a phosphate group is added d. the bond holding the end phosphate group is broken b. ATP is exposed to sunlight __ 3. What is the process by which glucose is converted to pyruvate? : a. electron transport c. fermentation b. glycolysis d. photosynthesis __ (4)What two energy storing molecules are produced by the light dependent reactions of photosynthesis? a. NADPH and ATP c. CO_(2) and O_(2) b. pyruvate and acetyl-CoA d. lactic acid and ATP __ (5.)What type of organisms supply almost all of the energy in the biosphere? d. predators a. heterotrophs b. eukaryotes c. photosynthesizers __ 6. The process by which energy is released from food molecules in the absence of oxygen is a. photosynthesis c. aerobic respiration b. anaerobic respiration d. electron transport __ 7. Animals that cannot make their own food are called d. heterotrophs a. producers b. autotrophs c. photosynthesizers __ 8. The process by which autotrophs convert into usable energy is a. anaerobic respiration c. photosynthesis b. the Krebs cycle d oxidation __ 9. Which is not a true statement about ATP? a. ATP consists of ribose, adenine, and a phosphate group. b. When ATP releases energy, ADP is formed. c. ATP provides energy for the mechanical functions of cells. d. Used ATP is discarded by the cell as waste. __ 70. Another name for heterotrophs is c. photosynthesizer:d. algae a. consumers b. producers __ 11. What are the three stages of aerobic respiration in the correct order? a. Calvin cycle glycolysis, electron transport b. glycolysis, Krebs cycle, electron transport c electron transport , glycolysis d. glycolysis, Calvin cycle, electron transport