Microscope, cells & Cell transport Test-Questions and Answers

Microscope, cells & Cell transport Test-Questions and Answers diffusion - ANSWER-Movement from an area of higher concentration to an area of lower concentration. vesicle - ANSWER-a fluid- or air-filled pouch, in particular. pinocytosis - ANSWER-The ingestion of liquid into a cell by the budding of small vesicles from the cell membrane. phagocytosis - ANSWER-The ingestion of bacteria or other material by phagocytes and amoeboid protozoans. endocytosis - ANSWER-The taking in of matter by a living cell by invagination of its membrane to form a vacuole. active transport - ANSWER-energy/work required by the cell; net movement from low to high concentration turgor - ANSWER-the state of turgidity and resulting rigidity of cells, typically due to the absorption of fluid. plasmolysis - ANSWER-contraction of the protoplast of a plant cell as a result of loss of water from the cell. passive transport - ANSWER-no energy/work done by the cell; net movement from high to low concentration osmosis - ANSWER-the diffusion of water through a membrane isotonic - ANSWER-the concentration is the same inside of the cell and outside of the cell hypotonic - ANSWER-the concentration of dissolved substances is lower then the concentration inside the cell hypertonic - ANSWER-the concentration of dissolved substances is higher then the concentration inside the cell equilibrium - ANSWER-a state in which opposing forces or influences are balanced. cytolysis - ANSWER-the dissolution or disruption of cells, especially by an external agent.