Light and Photosynthesis
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Created by:
gilmerbautista on March 8, 2012
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33 terms
Terms | Definitions |
|---|---|
 Autotrophic | Organisms which convert carbon dioxide(inorganic compound) into organic compound (glucose) utilizing some energy source. |
| Heterotrophic | Organisms that depend on other organisms for their source of organic compounds (foods). |
| Manganese | Black dioxide of this as an industrial raw material or additive, in glassmaking. |
| Tyrosine | An amino acid, one of the 20 building blocks of protein. A nonessential amino acid, is produced from another amino acid, phenylalanine. |
| Pheophytin | Chlorophylls from which the magnesium has been removed by treatment with weak acid. |
| Plastocyanin | An electron carrying protein present in chloroplasts, forming part of the electron transport chain. Associated with photosystem 1 contains two copper atoms per molecule. |
| Photosystem 1 | A distinct complex of proteins and pigments molecules in chloroplasts that absorbs light during the light reactions of photosynthesis. |
| Chemiosmotic | Is the diffusion of hydrogen ions( Protons) across the biological membrane via the ATP synthase ( A transport protein) due to a proton gradient that forms on the other side of the membrane. |
| Synthase | Any of the various enzymes that catalyze the synthesis of a substance without the use of high-energy source such as cleavage of a phosphate bond. |
| ATP | Is a nucleotide that contains a large amount of chemical energy stored in its high-energy phosphate bonds. |
| P700 | The reaction center chlorophyll (primary electron donor) of photosystem 1 that is most reactive and best in absorbing light at wavelength of 700 nm. |
| Chlorophyll a | The most common and predominant in all oxygen-evolving photosynthesis organisms such as high plants, red and green algae. |
| Phylloquinone | One of the K vitamins, found in cabbage, spinach, and other leafy green vegetables, and essential for the blood-clotting process. |
| Ferrodoxin | Any of a group of red-brown proteins containing iron and sulfur and acting as an electron carrier during photosynthesis, nitrogen oxidation-reduction reactions. |
| NADP reductase | An enzyme that catalyses the oxidation ( addition of oxygen) and reduction (addition of hydrogen) in the presence of NADP |
| Oxidation | Addition of oxygen |
| Reduction | Addition of hydrogen |
| Cyclic photophosphorylation | The productions of ATP (energy) using energy of sunlight. |
| Ribulose biphosphate | A five carbon sugar that is combined with carbon dioxide to form two three-carbon intermediates in the first stage of the light dependent reactions of photosynthesis. |
| OAA | A salt or an ester of oxaloacetic acid. |
| PEP carboxylase | An enzyme in the carborxylases responsible for the formation of the four-carbon compound oxaloacetate by catalyzing the bringing one molecule of carbon dioxide to the three-carbon compound phosphoenolpyruvate. |
| Mesophyll | Tissue found in the interior of leaves, made up of photosynthetic (parenchyma) cells, also called chlorenchyma cells. |
| Aspartate | A nonessential amino acids that plays a critical part of the enzyme in the liver that transfers nitrogen-contaning amino groups, either in building new proteins and amino acids or in breaking down proteins and amino acids for energy and detoxifying the nitrogen in the form of urea. |
| Malate | Any salt or ester of malic acid. |
| Bundle sheath | A layer or region of compactly arranged cells surrounding a vascular bundle in a plant. |
| Phosphoenol pyruvate | Is an important metabolic intermediate. |
| Palisade layer | A layer of parallel elongated cells below the epidermis of a leaf. |
| Thylakoids | Membranous cisterna of the chloroplast, found as part of the grana and also as single cisterna interconnecting the grana. |
| Mutagenic | Inducing genetic mutation. |
| Amplitude | The height of a wave |
| Wavelength | Distance from one point on a wave to the same point of a following wave. |
| Crest | The peak of a wave |
| Trough | the lowest point of a wave. |
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