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BIO CH 6&7
| Question | Answer |
|---|---|
| The ultimate energy to fuel the process of photosynthesis comes from the | sunlight |
| Photosynthesis is the process that converts_____ energy into the_____energy of a carbohydrate. | solar, chemical |
| A heterotrophic organism is best described as an organism that: | cannot synthesize organic compounds from inorganic substances and therefore must take in organic food. |
| Which of the following are examples of autotrophic organisms? | algae, palm trees, and cyanobacteria |
| During photosynthesis, carbon dioxide enters the leaf of a plant through small openings called _____. | stromata |
| Which process converts solar energy into chemical energy in the form of a carbohydrate? | photosynthesis |
| Where does photosynthesis take place in a flowering plant? | chloroplast |
| Organisms that cannot synthesize organic compounds from inorganic substances and therefore must take in organic molecules (food) are | heterotrophs |
| examples of heterotrophs | rabbit and reindeer |
| The two outer membranes of the chloroplast enclose a gelatinous matrix called the | stroma |
| The organelle in plant cells that contains chlorophyll and is the site of photosynthesis is the | chloroplast |
| oxidation reaction | The loss of electrons or hydrogen ions |
| reduction reaction | The gain of electrons or the gain of hydrogen ions |
| The semifluid interior of a chloroplast is the | stroma |
| Which of the following are reactants for the Calvin cycle? | ATP, NADPH, CO2 |
| Select the reactants for the process of photosynthesis. | water h20 and carbon dioxide co2 |
| When NADPH is ______ it gives up electrons. | oxidized |
| Select all of the products of the light reactions of photosynthesis. | ATP, NADPH |
| Pigments that serve as an accessory to chlorophyll in photosynthesis and that can give cells a yellow to red color are called | carotenoids |
| A light-capturing unit found in a thylakoid membrane that consists of a pigment complex and electron acceptor molecules is called a(n) | photosystem |
| Electrons moving from water to NADP+ are in the ___________ pathway. | non cyclic |
| Select the three steps of the Calvin cycle from the options listed here. | Carbon dioxide reduction, Carbon dioxide fixation, Regeneration of RuBP |
| The process by which a C3 plant takes up oxygen and releases carbon dioxide in the presence of light is | photorespiration |
| The CAM pathway enables plants to survive in very ______ environments. | dry |
| A C4 plant is so named because oxaloacetate has______ carbons. | 4 |
| Which alternate form of photosynthesis uses the enzyme RuBP carboxylase to fix carbon dioxide in mesophyll cells, which are scattered throughout the leaf, to produce 3PG first? | c3 |
| Which type of plant does best at temperatures below 25°C? | c3 |
Created by:
abaer.