Where does the mass come from to make an acorn into an oak? ? Where does the mass come from to make an acorn into an oak? A .Water absorbed via roots B. Soil molecules absorbed through roots C. Molecules in the air absorbed through leaves D. Very compact materials in acorn that are diffused in the oak tree. E. Glucose absorbed via roots and leaves. a.C6H12O6 + 6O2 6CO2 + 6H2O + ENERGY (heat + ATP) b. 6CO2 + 12H2O +light (ENERGY) C6H12O6 + 6H2O + 6O2 1. 2. Which of the above describes photosynthesis? Which of the above describes cellular respiration? 4 (Adapted from Janet Batzli and Diane Ebert-May) 33 2 Three identical plates of radish seeds are incubated under three different conditions, with results as shown. How will the dry weights of the three plates compare at the end of the experiment? A) 1 < 2 < 3 B) 1 < 3 < 2 C) 1 = 3 < 2 D) 3 < 1 < 2 E) 1 = 2 = 3 1 (Adapted from Janet Batzli and Diane Ebert-May) 33 1.20 g 1 1.46 g 2 1.63 g Three identical plates of radish seeds are incubated under three different conditions, with results as shown. How will the dry weights of the three plates compare at the end of the experiment? A) 1 < 2 < 3 B) 1 < 3 < 2 C) 1 = 3 < 2 D) 3 < 1 < 2 E) 1 = 2 = 3 7 8 9 Question 1 Which structure is responsible for gas exchange ? a. b. c. d. e. Matrix Stroma Stoma Thylakoid Trichomes Question 2 What high energy molecule is the final product of photosynthesis? a. b. c. d. e. Oxygen ATP NADPH Glucose Water Question 3 Where is the chlorophyll located in a plant? a. b. c. d. e. Cristae Plasma membrane of the cell Outer membrane of the chloroplast Thylakoid membrane Stroma Question 4 Making glucose via photosynthesis costs ____ATPs and ___NADPHs. However, 1 molecule of glucose is enough to make ___ ATPs. a. b. c. d. e. 18, 12, 36 12, 18, 36 12, 36, 18 36, 18, 12 18, 36, 12 Question 5 What happens to the energy content of a photon as the wavelength decreases? a. b. c. d. Energy increases Energy decreases Energy remains the same There is no relationship Question 6 Electromagnetic radiation with a wavelength between 400-700nm is_____. a. b. c. d. e. Radiowaves Microwaves X-rays Visible light Ultra Violet Question 7 What happens at the reaction center of a photosystem? a. b. c. d. e. Light is absorbed An electron is energized NADP+ is reduced ATP is formed Carbon fixation occurs Question 8 Which of the following is made during the light reactions of photosynthesis? a. b. c. d. e. ADP and NADP+ Glucose and ATP ATP and NADPH NADPH and Carbon Dioxide Carbon Dioxide and Water Question 9 What is the function of Rubisco? a. b. c. d. e. Absorption of photon energy Harvesting electrons from water Reduction of NADP+ Chemiosmosis Carbon fixation Question 10 A particle of light is a ____. a. b. c. d. e. Wave Grana Photon Proton Newton Question 11 Photosynthetic bacteria have chlorophyll embedded in their chloroplasts. a. This is true b. This is false The structure at right is: a. b. c. d. e. ATP DNA NADP FADH2 Chlorophyll Question 12 Where could a botanist expect to find C4 plants? a. b. c. d. e. Canada Costa Rica Only in trees Tundra Mount Everest Question 13 If a plant had non-functioning mitochondria, it could still successfully complete photosynthesis? a. This is true b. This is false Question 14 What would happen if a leaf lacked carotenoids? a. The leaf would absorb all energy levels b. The leaf would turn yellow/orange during the fall c. The leaf would not absorb Carbon dioxide d. Photosynthesis would not be as efficient e. The leaf would require oxygen Question 15 The end product of photosynthesis is the starting material of cellular respiration. a. This is true b. This is false Question 16 Which of the following would prevent the formation of 3-phosphoglycerate in photosynthesis? a. b. c. d. e. No available photons Denaturation of the Rubisco enzyme Non-functional b6-f complex Anaerobic conditions All of the above 1. Explain where oxygen comes from in photosynthesis? 2. Compare and contrast the general equations for photosynthesis and aerobic cellular respiration? 3. Why do leaves change colors in the fall? 4. Why is water necessary for photosynthesis? 5. G3P (glyceralderhyde-3-phophate) is present in the Calvin Cycle, where else have you seen this molecule?