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27 Cards in this Set
- Front
- Back
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Organisms, such as plants, that make their own food are called...
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Autotrophs
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What are the three parts of an ATP molecule?
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Adenine, ribose, phosphate groups
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Energy is released from ATP when...
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A phosphate group is released.
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Jan van Helmont concluded that plants gain most of their mass from...
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Water
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Ingenhousz showed that plants produce oxygen when exposed to...
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Light
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A student is collecting the gas given off from a plant in bright sunlight at a temperature of 27 degrees Celsius. The gas being collected is probably...
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Oxygen
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Plants gather the sun's energy with light-absorbing molecules called...
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Pigments
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Which region of the visible spectrum is absorbed well by chlorophyll?
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Blue, violet, and red.
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The stroma is a region outside the...
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Thylakoids
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Where in the chloroplast is chlorophyll found?
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In the thylakoid.
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Where do the light-dependent reactions take place?
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Within the thylakoid membranes.
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Which step is the beginning of photosynthesis?
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Pigments in photosystem 2 absorb light.
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Which is inside the thylakoid membrane?
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ETC, photosystem 1, and ATP synthase.
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Which pathway represents the flow of electrons during photosynthesis?
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H20 -> NADPH -> Calvin cycle
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The Calvin cycle is another name for...
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Light-independent reactions.
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The Calvin cycle takes place in the...
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Stroma
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What is a product of the Calvin cycle?
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High-energy sugars
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If carbon dioxide is completely removed from a plant's environment, what would you expect to happen to the plant's production of high-energy sugars?
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No sugars will be produced.
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ADP is one of the principal chemical compounds that living things use to store energy.
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False
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If a plant and a burning candle are placed under a bell jar, the candle will burn because the plant gives off carbon dioxide.
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False
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Plants gather the sun's energy with light-absorbing molecules called pigments.
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True
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The principle of light absorbing pigments in plants are Chlorophyll A and Chlorophyll B.
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True
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When Chlorophyll absorbs light, the energy is transferred to its atoms allowing photosynthesis to work.
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False
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Photosynthesis uses the energy of sunlight to convert water and carbon dioxide into oxygen and___________.
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high-energy sugars (or carbohydrates)
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Photosynthesis requires light, water, carbon dioxide, and__________.
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Chlorophyll
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___________ are photosynthetic membranes inside the chloroplasts.
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Thylakoids
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Thylakoids are arranged in stacks known as ________.
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Grana
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