Photosynthesis Review 2010 Identify the chloroplast. 1. 2. 3. 4. 5. A B C D E 10 Which of these types of organisms produce the biosphere's food supply? 1. Producers 2. Consumers 3. Heterotrophs How does carbon dioxide enter the leaf? 1. 2. 3. 4. 5. chloroplasts mesophyll thylakoids stomata stroma Identify the stroma. 100% 0% E 0% D 0% C 0% B A B C D E A 1. 2. 3. 4. 5. 10 Identify a thylakoid. 1. A 2. B 3. C 4. D 0% 0% D B A 0% C 100% 10 Which of these equations best summarizes photosynthesis? 1. C6H12O6 + 6 O2 —> 6 CO2 + 12 H2O 2. C6H12O6 + 6 O2 —> 6 CO2 + 6 H2O + Energy 3. E + 6 CO2 + 6 O2 —> C6H12O6 + 6 H2O 4. E + 6 CO2 + 6 H2O —> C6H12O6 + 6 O2 88% 13% — ... >. .. 2O — H O 2 6 6 + + 2 2 CO CO 6 + E E + 6 O 6H 12 C C6 H 12 O 6 6 + + 6 6 O O 2 2 — — > > ... ... 0% 0% 10 The source of the oxygen produced by photosynthesis has been identified through experiments using radioactive tracers. The oxygen comes from _____. carbon dioxide glucose water light 96% 4% ht lig er w at os e gl uc 0% rb on di o xi d e 0% ca 1. 2. 3. 4. 10 How many stages are in Photosynthesis One Two Three Four 83% ur 9% 10 Fo re e Th o 4% Tw ne 4% O 1. 2. 3. 4. Where does the light reaction take place? chloroplast Stroma Thylakoids stomata 88% 13% om st yl ak oi ds a Th St ro m t lo ro pl as at a 0% 10 0% ch 1. 2. 3. 4. Where does the dark reaction take place? Chloroplast Stroma Thylakoids stomata 92% 4% Th 4% om at a 10 st yl ak oi ds a St ro m hl or op la s t 0% C 1. 2. 3. 4. What goes into the light reaction water Carbon dioxide Oxygen sugar 96% xy r ga O di ox ar bo n w 4% su ge n 0% id e at er 0% C 1. 2. 3. 4. 10 What comes out of the light reaction? Water Carbon dioxide Oxygen Sugar 96% 10 ga Su ge n xy O di ox n ar bo r 4% 0% id e W at er 0% C 1. 2. 3. 4. What goes into the Calvin Cycle? Water Carbon dioxide Oxygen Sugar 96% ar bo n r ga ge n xy O di ox id e W at er 0% Su 4% 0% C 1. 2. 3. 4. 10 What comes out of the Calvin Cycle? Water Carbon dioxide Oxygen Sugar 96% O r 10 ga Su xy id e di ox n ar bo C 4% 0% ge n 0% W at er 1. 2. 3. 4. Where does cellular respiration take place? 1. chloroplast 2. mitochondria 50% ho ito c m ch lo ro pl as t nd ria 50% 10 What are organisms that make their own food? 1. autotrophs 2. Heterotrophs 50% et er ot ro ph H au to tr op h s s 50% 10 All living organisms do cellular respiration ls e 50% Fa 50% Tr ue 1. True 2. False 10 Graph shows that the rate of photosynthesis A. is independent of light intensity (amount of light doesn’t matter) B. decreases as light gets more intense C. continues to increase as light gets more intense D. increases as light gets more intense, but only to a certain point 25% 25% 25% 25% .. in cr e as es st o as . ... l.. . as as es nt in ue co re pe n in de is de c de nt ... 10 Light energy is converted to chemical energy in the process of 1. fermentation n. .. tro n tra co l ec el si. . . ys is 20% 20% 20% os yn th e ph ot re s ll ce m en ta t pi ra io n t. . . 20% 20% gly cell respiration photosynthesis glycolysis electron transport chain fe r 2. 3. 4. 5. 10 The major gaseous byproduct of photosynthesis is ) (o xy ge n ge n O2 tro Ni (c ar bo di rb on co se glu (ca rv CO 2 at e 20% 20% 20% ... ... ap or 20% 20% w 1. water vapor 2. CO2 (carbon dioxide) 3. glucose (carbohydrates) 4. Nitrogen 5. O2 (oxygen) 10 The energy used in the Calvin Cycle comes from the Krebs cycle carbon dioxide ATP used in cell respiration ATP and NADPH from light reactions ... . d an AT P AT P us ed in NA DP H c.. de ox i di bo n ca r Kr eb sc yc l. . . 25% 25% 25% 25% th e 1. 2. 3. 4. 10 25% Su ga r n e ox id di 25% bo n A 25% Ca r Water Carbon dioxide Oxygen Sugar W at 1. 2. 3. 4. er 25% Ox yg e What goes into part A 10 25% Su ga r n e ox id di 25% bo n A 25% Ca r Water Carbon dioxide Oxygen Sugar W at 1. 2. 3. 4. er 25% Ox yg e What goes into part A 10 25% Ca r bo n di 25% Su ga r ox id e er Water Carbon dioxide Oxygen Sugar W at 1. 2. 3. 4. 25% n 25% Ox yg e What goes out part A A 10 25% Ca r bo n di 25% Su ga r ox id e er Water Carbon dioxide Oxygen Sugar W at 1. 2. 3. 4. 25% n 25% Ox yg e What goes out part A A 10 What part is A 20% st 20% pl a or o ch l Th yl ak oi ds 20% sm a at St om m a Stroma Stomata Cytoplasm Thylakoids chloroplast St ro 1. 2. 3. 4. 5. 20% Cy to pl a 20% A 10 What part is A 20% pl a or o ch l ak oi ds st 20% Th yl sm a 20% Cy to pl a at St om m Stroma Stomata Cytoplasm Thylakoids chloroplast St ro 1. 2. 3. 4. 5. 20% a 20% A 10 Do you know? 1. 2. 3. 4. 5. The equation to photosynthesis? Places it takes place? What are the stages? Can you explain the stages? How do we benefit from it?