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Biology Chapter 4
| Question | Answer |
|---|---|
| Plants do both ________ and ________ ________ | photosynthesis, cellular respiration |
| Organisms capable of photosynthesis: _______, _______, algae, which produce most of the ________ on the planet. | terrestrial, aquatic |
| Algae-most are _________ | unicellular, some multicellular |
| Some bacteria are _________ and capable of producing food through the process of photosynthesis | photosynthetic |
| Organisms that can make their own food are called ___________ | autotrophs |
| Photosynthesis: Process where plants, algae, and some ______ use the sun's ______ ____ and ____ to produce food (_______) | bacteria, energy, CO2, H20, carbohydrates |
| Chemical Equation / Photosynthesis | 6C02+6H20------(producing light energy, process of photosynthesis---->C6H12O6 + 6O2 (oxygen gas) |
| Where does Photosynthesis occur? | In the CHLOROPLASTS |
| Stomata is found on the ______ of the leaf | underside |
| Stomata-Guard Cells can open or _____ | close |
| Pigments are any substance that absorbs ______ | light |
| _______ is the green pigment | Chlorophyll |
| All Plants have ________ ___ | Chlorophyll A, sometimes B |
| _______ _______ absorb energy that chlorophyll can;t | Accessory Pigments |
| What happens in photosynthesis? Water is split into ______ and ______ | hydrogen, oxygen |
| What happens in photosynthesis? Hydrogen is ______________ along with ______ and added to _____ ______ to make _______. | Transferred, electrons, carbon dioxide, sugar |
| What happens in photosynthesis? Oxygen _______ through _________ into the atmosphere | escapes, stomata, atmosphere |
| Photosynthesis occurs in __ main stages | 2 |
| Both stages of photosynthesis take place in ______ but in different ________ | chloroplasts, locations |
| Stage 1 of Photosynthesis: | The light reactions convert solar energy to chemical energy |
| Stage 2 of Photosynthesis: The _______ cycle uses the products of light reactions to make sugar from _______ _________ | Calvin, carbon dioxide |
| What is needed for light reaction? | Light, Water, NADP +, ADP, Phosphates, |
| What is produced from light reaction? | NADPH, ATP |
| What is necessary for Calvin Cycle? | Co2, ATP, NADPH |
| What is produced by the Calvin Cycle? | sugar, ADP, and phosphate, and NADP+, all of this taking place in chloroplasts |
| Photosynthesis: The light reaction, can only occur in the presence of ______ | light |
| Light Energy _____ an electron in -________ | energizes, chlorophyll |
| The light reaction uses ___ ________ | 2, photosystems |
| Photosystem: Complex of ________ (including) ________ | molecules, chlorophyll |
| Photosystem absorb __________ __________ | solar energy |
| Photosystem: Electrons boosted to _______ ______ ______ | higher energy level |
| NADP+ is an _________ carrier | electron |
| Light reaction: 2 photosystems: _____ ______ photosystem, and _______ producing photosystem | Water Splitting, NADPH |
| The Calvin Cycle makes _____ from ______ _______ | sugar, carbon dixode |
| The Calvin Cycle functions like a ______ _____ within a chloroplast | sugar factory |
| The Calvin cycle _______ the starting material with each turn | regenerates |
| Calvin Cycle does not require ______ | light |
| RUBP is the starting molecule for the _______ ______ | calvin cycle |
| G3P - is used to make _______ | sugar |
| For every three molecules of CO2 that come through Calvin Cycle, we get ____ G3ps | 6 |
| Out of 6 g3ps only 1 is used to make sugar, the other 5 will be rearranged to make 3 molecules ________ | RUBP |
| Calvin Cycle doesnt require light Occurs in choloplasts in different location than light reaction starting molecule RUBP< a sugar, combined with co2 in air, then through a series of steps, wth atp and NADPH we produce G3P. For every 6 molecules of G3p, | I understand |
| ADP and NADPH are producd by light reaction be used in Calvin Cycle | I understand |
| Sugar used for | cellular respiration, cellulose, starch, organic compounds |
| Light reaction occurs in stack of | thylakoids |
| Glucose produced in photosynthesis has many uses: other ______ _____, energy for ______- _________, other ___________ _______ | organic compounds, cellular respiration, plant structures |
| photosynthesis produces ______ billion metric ____ of carbohydrates each year | 160, tons |
| Photosynthesis has an enormous impact on the atmosphere: It swaps ___ for ____ | O2, CO2 |
| Old growth forests not only use a lot of ____ during Photosynthesis but hold (trap) a lot of ____ that would otherwise be added to the atmospshere | CO2, CO2 |
| Photosynthesis Chemical Equation: | 6CO2+6H20----> (sunlight) C6H12O6+6O2 |
| Cellular Respiration Chemical Reaction----> (sunlight) | c6H12O6+6O2------>enzymes----> 6CO2 +6H20+ATP |
Created by:
sarchelj