Vocabulary from Module 6, from Apologia's High School Biology Course Exploring Creation With Biology, by Dr. Jay Wile and Marilyn F. Durnell (2nd edition). There is also a crossword puzzle with these vocabulary words at e-learninglinks.com.
61423049 | Absorption | The transport of dissolved substances into cells | 0 | |
61423050 | Digestion | The breakdown of absorbed substances | 1 | |
61423051 | Respiration | The breakdown of food molecules with a release of energy | 2 | |
61423052 | Excretion | The removal of soluble waste materials | 3 | |
61423053 | Egestion | The removal of nonsoluble waste materials | 4 | |
61423054 | Secretion | The release of biosynthesized substances | 5 | |
61423055 | Homeostasis | Maintaining the status quo | 6 | |
61423056 | Reproduction | Producing more cells | 7 | |
61423057 | Cytology | The study of cells | 8 | |
61423058 | Cell wall | A rigid structure on the outside of certain cells, usually plant and bacteria cells | 9 | |
61423059 | Middle lamella | The thin film between the cell walls of adjacent plant cells | 10 | |
61423060 | Plasma membrane | The semipermeable membrane between the cell contents and either the cell wall or the cell's surroundings | 11 | |
61423061 | Cytoplasm | A jellylike fluid inside the cell in which the organelles are suspended | 12 | |
61423062 | Ions | Substances in which at least one atom has an imbalance of protons and electrons | 13 | |
61423063 | Cytoplasmic streaming | The motion of cytoplasm in a cell that results in a coordinated movement of the cell's contents | 14 | |
61423064 | Mitochondria | The organelles in which nutrients are converted to energy | 15 | |
61423065 | Lysosome | The organelle in animal cells responsible for hydrolysis reactions that break down proteins, polysaccharides, disaccharides, and some lipids | 16 | |
61423066 | Ribosomes | Non-membrane-bound organelles responsible for protein synthesis | 17 | |
61423067 | Endoplasmic reticulum | An organelle composed of an extensive network of folded membranes that performs several tasks within a cell | 18 | |
61423068 | Rough ER | ER that is dotted with ribosomes | 19 | |
61423069 | Smooth ER | ER that has no ribosomes | 20 | |
61423070 | Golgi bodies | The organelles in which proteins and lipids are stored and then modified to suit the needs of the cell | 21 | |
61423071 | Leucoplasts | Organelles that store starches or oils | 22 | |
61423072 | Chromoplasts | Organelles that contain pigments used in photosynthesis | 23 | |
61423073 | Central vacuole | A large vacuole that rests at the center of most plant cells and is filled with a solution that contains a high concentration of solutes | 24 | |
61423074 | Waste vacuoles | Vacuoles that contain the waste products of digestion | 25 | |
61423075 | Phagocytosis | The process by which a cell engulfs foreign substances or other cells | 26 | |
61423076 | Phagocytic vacuole | A vacuole that holds the matter which a cell engulfs | 27 | |
61423077 | Pinocytic vesicle | Vesicle formed at the plasma membrane to allow the absorption of large molecules | 28 | |
61423078 | Secretion vesicle | Vesicle that holds secretion products so that they can be transported to the plasma membrane and released | 29 | |
61423079 | Microtubules | Spiral strands of protein molecules that form a tubelike structure | 30 | |
61423080 | Nuclear membrane | A highly-porous membrane that separates the nucleus from the cytoplasm | 31 | |
61423081 | Chromatin | Clusters of DNA, RNA, and proteins in the nucleus of a cell | 32 | |
61423082 | Cytoskeleton | A network of fibers that holds the cell together, helps the cell to keep its shape, and aids in movement | 33 | |
61423083 | Microfilaments | Fine, threadlike proteins found in the cell's cytoskeleton | 34 | |
61423084 | Intermediate filaments | Threadlike proteins in the cell's cytoskeleton that are roughly twice as thick as microfilaments | 35 | |
61423085 | Phospholipid | A lipid in which one of the fatty acid molecules has been replaced by a molecule that contains a phosphate group | 36 | |
61423086 | Passive transport | Movement of molecules through the plasma membrane according to the dictates of osmosis or diffusion | 37 | |
61423087 | Active transport | Movement of molecules through the plasma membrane (typically opposite the dictates of osmosis or diffusion) aided by a process that requires energy | 38 | |
61423088 | Isotonic solution | A solution in which the concentration of solutes is essentially equal to that of the cell that resides in the solution | 39 | |
61423089 | Hypertonic solution | A solution in which the concentration of solutes is greater than that of the cell that resides in the solution | 40 | |
61423090 | Plasmolysis | Collapse of a walled cell's cytoplasm due to a lack of water | 41 | |
61423091 | Cytolysis | The rupturing of a cell due to excess internal pressure | 42 | |
61423092 | Hypotonic solution | A solution in which the concentration of solutes is less than that of the cell which resides in the solution | 43 | |
61423093 | Activation energy | Energy necessary to get a chemical reaction going | 44 |