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Microbiology Transport Mechanisms

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Terms in this set (5)

  • Primary active transport

    Uses ATP directly to move substances across membranes against their concentration gradient.

  • Secondary active transport

    Uses energy from ion gradients established by primary active transport to move substances.

  • Pump

    A protein that moves substances using energy, often ATP, across membranes.

  • Symporter

    Transports two substances in the same direction across a membrane simultaneously.

  • Antiporter

    Transports two substances in opposite directions across a membrane simultaneously.