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| Frage | Antworten |
| accessory pigments | a pigment that absorbs light energy and transfers it to chlorophyll |
| active site | the part of an enzyme at which catalysis of the substrate acts |
| adenine | a purine base, one of the fundamental components of nucleic acids, forming a base pair with thymine in DNA and pairing with uracil in RNA |
| aerobic cellular respiration | the breakdown of glucose to simple, inorganic compounds in the presence of oxygen, and with the release of ATP |
| amino acids | nitrogen-containing compounds that are the building blocks of proteins |
| anabolism | the synthesis of new compounds from simpler ones |
| anaerobic respiration | occurs without the involvement of oxygen |
| autotrophic | an organism that can produce its own food from simple inorganic substances |
| bonds | forces of attraction between atoms that bring them together to form molecules |
| carbohydrates | class of organic molecules that includes starch, sugar and cellulose |
| catabolism | the breakdown of compounds to release energy |
| cellular respiration | process of converting chemical energy of food into a form usable by cells, typically ATP |
| cellulose | complex carbohydrate composed of chains of glucose molecules; the main component of plant cell walls |
| chemical energy | energy stored in substances that become available when certain types of chemical reactions occur |
| chitin | carbohydrate material present in the exoskeleton of arthropods and also in the cell wall of some fungi |
| chlorophyll | green pigment required for photosynthesis that traps the radiant energy of sunlight |
| chloroplast | chlorophyll-containing organelle that occur in the cytoplasm of cells of specific plant tissues |
| coenzyme | organic compound that acts with an an enzyme to alter the rate of a reaction |
| cohesive | the tendency of molecules of the same kind to stick together |
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