Active Transport Mechanisms Quiz

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Questions and Answers

Which type of transport protein uses the energy from the Na-K ATPase to move another molecule against its gradient?

  • Symporter (correct)
  • Antiporter
  • Uniporter
  • Cotransporter

What is the function of SGLT transporter in cells?

  • Exporting glucose
  • Excreting drugs
  • Importing sodium and glucose (correct)
  • Maintaining intracellular Na+ levels

Which type of transporter consumes ATP while moving molecules across membranes?

  • Symporter (correct)
  • Cotransporter
  • Antiporter
  • Uniporter

What effect does the SGLT transporter have on drug potency in a patient taking medication?

<p>Decreases potency (C)</p> Signup and view all the answers

Which protein family is responsible for pumping molecules by using ATP hydrolysis?

<p>ABC Transporters (D)</p> Signup and view all the answers

In secondary active transport, which molecule is typically moved along with sodium into the cell?

<p>Glucose (A)</p> Signup and view all the answers

What causes a high-affinity site for glucose within the cell during transport processes?

<p>[Na+] low levels (C)</p> Signup and view all the answers

What happens to drug potency in a patient who highly expresses the SGLT transporter while on medication?

<p>Decreases potency (C)</p> Signup and view all the answers

What type of transporter uses the gradient from Na-K ATPase to move molecules against their gradient?

<p>Symporter (B)</p> Signup and view all the answers

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