The alternative to active transport is passive transport, which uses kinetic energy only to move the molecules. Passive transport can only move molecules from a region of higher concentration to lower ...
Integral outer membrane receptors for iron chelates and vitamin B 12 carry out specific ligand transport against a concentration gradient. Energy for active transport is obtained from the ...
Inspired by micro-scale motions of nature, a group of researchers has developed a new design for transporting colloidal particles, tiny cargo suspended in substances such as fluids or gels, more ...
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