Bio Chapter 5 Photosynthesis

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Last updated 8:26 PM on 9/5/26
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26 Terms

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Reaction Formula of Photosynthesis

6CO2 + 6H2O = C6H12O6 + 6O2

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During light-dependent reaction what is the byproduct

released oxygen from hydrolysis is a byproduct

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Chemiosmosis

the movement of hydrogen ions down their ATP synthase, ions move high to low concentration

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ATP Synthase

hydrogen ions are allowed to pass through the thylakoid membrane through this embedded protein complex

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absorption spectrum
the specific pattern of absorption for a substance that absorbs electromagnetic radiation
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autotroph
an organism capable of producing its own food
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Calvin cycle
the reactions of photosynthesis that use the energy stored by the light-dependent reactions to form glucose and other carbohydrate molecules
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carbon fixation
the process of converting inorganic CO2 gas into organic compounds
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chlorophyll
the green pigment that captures the light energy that drives the reactions of photosynthesis
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chlorophyll a
the form of chlorophyll that absorbs violet-blue and red light
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chlorophyll b
the form of chlorophyll that absorbs blue and red-orange light
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chloroplast
the organelle where photosynthesis takes place
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electromagnetic spectrum
the range of all possible frequencies of radiation
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granum
a stack of thylakoids located inside a chloroplast
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heterotroph
an organism that consumes other organisms for food
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light-dependent reaction
the first stage of photosynthesis where visible light is absorbed to form two energy-carrying molecules (ATP and NADPH)
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mesophyll
the middle layer of cells in a leaf
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photoautotroph
an organism capable of synthesizing its own food molecules (storing energy), using the energy of light
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photon
a distinct quantity or “packet” of light energy
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photosystem
a group of proteins, chlorophyll, and other pigments that are used in the light-dependent reactions of photosynthesis to absorb light energy and convert it into chemical energy
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pigment
a molecule that is capable of absorbing light energy
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stoma
the opening that regulates gas exchange and water regulation between leaves and the environment; plural
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stroma
the fluid-filled space surrounding the grana inside a chloroplast where the Calvin cycle reactions of photosynthesis take place
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thylakoid
a disc-shaped membranous structure inside a chloroplast where the light-dependent reactions of photosynthesis take place using chlorophyll embedded in the membranes
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wavelength
the distance between consecutive points of a wave
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Photophosphorylation

process the entry this is generated by hydrogen ion stream that allows ATP synthase to attach a 3rd phosphate to ADP, which forms a molecule of ATP is called this