| 单词 | passive transport |
| 例句 | In passive transport, substances move from an area of higher concentration to an area of lower concentration in a process called diffusion. Concepts of Biology 2013-04-25T00:00:00Z The fluidity of the membrane affects passive transport, and the incorporation of other molecules in the membrane, in particular cholesterols, has a strong effect on its fluidity. Biology for AP Courses 2022-06-09T00:00:00Z The movement of molecules across the cell membrane without using cellular energy is called passive transport. Miller & Levine Biology 2018-01-01T00:00:00Z Active transport pumps can also work together with other active or passive transport systems to move substances across the membrane. Anatomy and Physiology 2013-06-19T00:00:00Z In passive transport, substances move from an area of higher concentration to an area of lower concentration. Biology for AP Courses 2022-06-09T00:00:00Z However, the content about the movement of gases across the membranes of alveoli is an important application of the principles of diffusion that we explored in the chapter on passive transport. Biology for AP Courses 2022-06-09T00:00:00Z Releasing red blood cells that can accept oxygen using diffusion as opposed to facilitated passive transport. Biology for AP Courses 2022-06-09T00:00:00Z Several passive transport channels, as well as active transport pumps, are necessary to generate a transmembrane potential and an action potential. Anatomy and Physiology 2013-06-19T00:00:00Z Neither of these examples requires any energy on the part of the cell, and therefore they use passive transport to move across the membrane. Anatomy and Physiology 2013-06-19T00:00:00Z During passive transport, materials move by simple diffusion or by facilitated diffusion through the membrane, down their concentration gradient. Anatomy and Physiology 2013-06-19T00:00:00Z Membrane proteins that aid in the passive transport of substances do so without the use of ATP. Anatomy and Physiology 2013-06-19T00:00:00Z |
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