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If a cell were a house, the plasma membrane would be walls with windows and doors. Moving things in and out of the cell is an important role of the plasma membrane. It controls everything that enters and leaves the cell. There are two basic ways that substances can cross the plasma membrane: passive transport, which requires no energy; and active transport, which requires energy.
Know about different Transportation methods across the cell. For more details;
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Transport Mechanisms across Plasma Membrane: Active and Passive Transport
Cell membrane is selectively permeable. This characteristic of the membrane allows certain substances to enter and leave a cell. It also prevents certain harmful materials from entering and some essential materials from leaving the cell. The transport across the membrane occurs in either active or passive manner.
Mechanisms for the Transport of Ions and Molecules Across Cell M Stock Vector - Illustration of close, health: 77366193
Mechanisms for the transport of ions and molecules across cell m. Illustration about close, health, open, channel, neuron, phospholipid, medical, organ, cytoplasm, extracellular - 77366193
Active vs. Passive Transport: Compare and Contrast
Active vs. Passive Transport! When transport does not require energy, it’s “passive transport”. When it does require energy, it’s called “active transport”. Several transportation strategies require energy and several do not. Osmosis and diffusion are both passive transport; they do not require energy but can only move particles from higher to lower concentration. By using ATP as an energy source, we can move larger or charged particles, and move particles against the concentration gradient.
Electron transport chain as respiratory embedded transporters outline diagram
Electron transport chain as respiratory embedded transporters outline diagram. Labeled educational detailed protein complexes scheme with ATP synthase, NADH and FADH2 process vector illustration. #Electron #transport #chain #biology #membrane #commercial #vector #illustration → Get this Illustration for Commercial Use!
This is a re-posting of the notes I originally posted on reddit from a general cell biology class I took in spring 2011. I re-scanned them after signing all of them at the suggestion of another red…
