Multiple choice

Which transport system is used by some tumor cells to pump out drugs?

  1. PTS system

  2. Permeases

  3. Peptones

  4. Siderophores

  5. ABC transportes
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Binding protein transport systems or ATP-binding cassette transporters are active in bacteria, archaea and eukaryotes. One of the major problems related with anti-cancer chemotherapy is the resistance against anti cancer drugs. The ATP-binding cassette transporters are a family of transporter proteins that are responsible for drug resistance and a low bioavailability of drugs by pumping a variety of drugs out of cells at the expense of ATP hydrolysis.

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