ginger kids
Active transport requires energy in the form of ATP to move molecules across the cell membrane against their concentration gradient, while passive transport does not require energy and relies on the concentration gradient to move molecules from an area of higher concentration to an area of lower concentration. Additionally, active transport can move molecules in both directions across the membrane, while passive transport can only move molecules down the concentration gradient.
transportation
proteins
Move things across the cell membrane.
transportation
Energy is used in the process of carrying out tasks, while no energy is needed when something is at rest or in a stationary state. An inclined plane requires a helper (such as gravity or an external force) to move objects across it.
Carrier Protein
a cell transports things across the cell membrane from areas of high concentration to ares of low concentration
Passive transport: molecules move across the cell membrane without requiring energy, through processes like diffusion and osmosis. Active transport: molecules move across the cell membrane using energy, often against a concentration gradient. Facilitated diffusion: molecules move across the cell membrane with the help of specific carrier proteins, still following the concentration gradient.
Active transport of a nutrient requires energy in the form of adenosine triphosphate (ATP) to move the nutrient against its concentration gradient, as well as specific carrier proteins embedded in the cell membrane to facilitate the transport process.
Things move across the membrane from lower to higher concentrations by active transport.
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