What is a Ligand in Cell Biology?


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question 1 of 3

Epinephrine is a ligand that binds to beta adrenergic receptors on the cell membrane of muscle cells. From there, other proteins are activated, such as PKA, which stimulates glycogen breakdown to glucose. Based on this information, which type of ligand is epinephrine?

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1. Which of the following is true of all ligands?

2. How do neurotransmitters act as ligands?

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About This Quiz & Worksheet

Use this worksheet/quiz to determine what you know about ligands in cell biology. Specifically, you'll be covering key points like intracellular ligands and an example of epinephrine.

Quiz & Worksheet Goals

Answer questions on these topics:

  • Characteristic of all ligands
  • The way neurotransmitters are like ligands
  • Ligands as they're affected by diabetes

Skills Practiced

  • Knowledge application - use your knowledge to answer questions about ligands in cell biology
  • Making connections - use your understanding of diabetes and how it's connected to ligand disruption
  • Information recall - access the knowledge you've gained regarding the way neurotransmitters behave like ligands

Additional Learning

We've created the lesson entitled What is a Ligand in Cell Biology? to help you learn more about the following areas of interest:

  • Ligands definition
  • Two types of ligands
  • Cell membranes and their hydrophobic interior
  • Examples of ligands