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Photosynthesis Flashcards

Detailed overview of photosynthesis

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382107273AutotrophsDescribes organisms which utilize carbon dioxide as their primary carbon source.
382107274Photosynthetic autotrophsDescribes organisms which utilize carbon dioxide as their primary carbon source and use sunlight as their primary energy source.
382107275Chemosynthetic autotrophsDescribes organisms which utilize carbon dioxide as their primary carbon source and use inorganic chemical reactions as an energy source.
382107276HeterotrophsDescribes organisms which utilize other organisms and organic material as sources of both energy and carbon.
382107277Photosynthetic heterotrophsDescribes organisms which utilize the sun as a source of energy and have varied sources of carbon, not just from carbon dioxide.
382107278Light-dependent reactionsDescribes the energy transduction reactions in which light energy is stored in chemical energy.
382107279Light-independent reactionsDescribes the carbon assimilation reactions in which molecules storing light energy such as ATP and NADPH are used to assemble sugars and other organic molecules.
382107280CO2 fixationName which describes the process of using carbon dioxide to build complex sugars.
382107281Calvin-Benson CycleThe name of the primary path for CO2 fixation in plants. Also known as the light-independent reactions.
382107282AmyloplastsOrganelle in plants which stores starch.
382107283ChromoplastsOrganelle in plants which stores pigments.
382107284ProteinoplastsOrganelle in plants which stores proteins.
382107285ElaioplastsOrganelle in plants which stores lipids.
382107286StromaLocation of light-independent reactions.
382107287StromaName of the gel like matrix which is surrounded by the inner membrane of the chloroplast.
382107288ThylakoidsName of flattened membrane bound sacs within the stroma of the chloroplast.
382107289GranumName of a stack of flattened membrane bound sacs within the stroma of the chloroplast.
382107290Stroma thylakoidsName of network of membranes which connects stacks of flattened membranous sacs within the chloroplast.
382107291PhotonDescribed as a "particle" of light.
382107292Resonance energy transferWhen energy from the return of an excited electron excites an electron of a nearby pigment.
382107293Photochemical reductionWhen photoexcited electrons are transferred to another molecule.
382107294Reflected wavelengthsThe color seen when observing an object is made up of these wavelengths of light.
382107295Magnesium 2+The ion which is complexed with the porphyrin ring in chlorophyll.
382107296CarotenoidsPigments which cause a leaf to appear red, yellow, and orange in the fall.
382107297ThylakoidsLocation of photosystem localization in chloroplasts.
385820039Chlorophyll AName of the molecules at the center of the reaction center which catalyzes the conversion of solar energy to chemical energy.
385820040Antenna pigmentsName of proteins on light harvesting complexes which absorb and transfer photons to the reaction center.
385820041Robert EmersonName of the scientist that discovered the different photosystems in plants.
385820042Emerson EffectName of the synergistic effect of multiple wavelengths on oxygen production as a result of multiple photosystems.
385820043Nicotinamide adenine dinucleotide phosphateNADP stands for this.
385820044P680This is also known as photosystem II.
385820045P700This is also known as photosystem I.
385820046PheophytonName of the molecule which the reaction center of P680 transfers it's electrons to. This molecule is a modified chlorophyll A with two protons instead of a magnesium ion.
385820047QAPheophyton transfers one electron to this molecule.
385820048QBThis molecule accepts two electrons, one at a time, and then dissociates from the P680 complex with the addition of two protons to form Plastoquinol.
385820049PlastoquinolThis molecule carries two electrons and two protons through the lipid phase of the plasma membrane to the cytochrome b6/f complex.
385820050PhotolysisName of the process which describes the light catalyzed breakdown of water to form oxygen and protons.
385820051Oxygen evolving complexName of the complex which is utilized to replenish P680 with electrons, abbreviated as (OEC).
385820052PlastoquinolName of the molecule oxidized by the cytochrome b6/f complex.
385820053PlastocyaninName of the molecule reduced by the cytochrome b6/f complex.
385820054Cytochrome b6/f complexThis protein complex is the photosynthetic analogous complex to coenzyme Q-cytochrome c oxioreductase complex found in mitochondria.
385820055PlastocyaninName of the molecule which reduces P700 with electrons from the cytochrome b6/f complex.
385820056PlastocyaninThis molecule is similar to plastoquinol as an electron transport protein, it is different in that it contains copper.
385820057P700This accepts electrons from plastocyanin.
385820058A0The P700 complex donates its electrons to this protein.
385820059FerredoxinFinal electron acceptor in photosystem I, also known as FD.
385820060NADP+Ferredoxin reduces this molecule in the chloroplast stroma.
385820061Ferredoxin-NADP+ reductaseThis protein catalyzes the addition of a proton to NADP+ from ferredoxin.(Abbreviated as FNR)
385820062Cyclic photophosphorylationName of the electron cycling process in photosynthesis which occurs when NADPH consumption is low.
385820063Cytochrome B6/f complexFerredoxin reduces this complex during cyclic photophosphorylation.
385820064Appressedadjective used to describe regions of the thylakoid membrane which are pressed against one another.
385820065P700Photosystem which is localized to the non-appressed regions of the thylakoid membrane.
385820066P680Photosystem which is localized to the appressed regions of the thylakoid membrane.
385820067Melvin CalvinScientist who won a Nobel Prize for determining the carbon fixation pathway in photosynthesis.
385820068StomataCO2 enters through these structures in the leaf.
385820069MesophyllPhotosynthesis occurs in these cells in the leaf.
385820070RubiscoAbbreviated name of the enzyme which catalyzes the addition of carbon dioxide to ribulose bisphosphate.
3872583813-phosphoglycerateName of the two molecules produced by the enzymatic addition of CO2 to ribulose bisphosphate by the rubisco enzyme.
387258382PGAAbbreviated name of 3-phosphoglycerate.
3872583836Total number of PGA molecules produced per turn of the Calvin cycle.
3872583843Number of CO2 molecules which enter the Calvin cycle.
387258385PhosphoglycerokinaseName of the enzyme which phosphorylates 3-phosphoglycerate.
387269025glycerate-1,3-bisphosphateName of the product of phosphorylation in the Calvin Benson cycle by phosphoglycerokinase.
387269026glyceraldehyde-3-phosphateName of the molecule which results from the enzymatic activity of glyceraldehyde-3-phosphate dehydrogenase on glycerate-1,3-bisphosphate.
387269027G3PAbbreviation for glyceraldehyde-3-phosphate.
3872690286Total number of ATP molecules spent in converting 3-phosphoglycerate into glycerate-1,3-bisphosphate.
3872690296Total number of NADPH molecules oxidized in the conversion of glycerate-1,3-bisphosphate to glyceraldehyde-3-phosphate.
3872690301How many molecules of glyceraldehyde-3-phosphate leave the Calvin-Benson cycle to be built into sugars and other organic molecules.
387269031PGALAlternate abbreviation for glyceraldehyde-3-phosphate/G3P
3872690323Total number of ATP molecules spent in reconverting molecules of glyceraldehyde-3-phosphate into ribulose bisphosphate
387269033CytosolLocation of sucrose biosynthesis.
387269034StromaLocation of starch biosynthesis.
387269035Dihyroxyacetone phosphateName of the molecule which glyceraldehyde-3-phosphate can inter-convert with.
387269036PhotorespirationName of the process by which rubisco binds oxygen as a substrate.
387269037Hatch-Slack cycleAlternate name for the C4 pathway of photosynthesis.
387269038Bundle sheathLocation of the Calvin-Benson cylce in C4 plants.
387269039Crassulacean Acid Metabolismabbreviated as CAM.
387269040Malic AcidWhat molecule is CO2 stored as during the night in CAM plants.
387269041TimeThis is what separates the double fixation of CO2 in CAM plants.
387269042SpaceThis is what separates the double fixation of CO2 in C4 plants.

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