Movement of Substances
完成条件
按索引浏览词汇表
特殊 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 全部
P
Partially permeable membraneA membrane that allows some substances to cross more easily than others. | |
Particle modelA model explaining matter in terms of constantly moving particles. | |
Passive transportMovement across a membrane that does not require cellular energy. | |
PhospholipidA molecule containing a hydrophilic head and hydrophobic tails. | |
Phospholipid bilayerThe double layer of phospholipids forming the basic structure of the cell membrane. | |
PlasmolysisThe condition in which a plant cell loses enough water for the cell membrane and cytoplasm to pull away from the cell wall. | |
Protein pumpA membrane protein that uses energy to transport substances. | |