Which type of receptor binds specifically to lipid-soluble ligands?
Understand the Problem
The question is asking which type of receptor specifically binds to lipid-soluble ligands. It presents multiple-choice options related to different types of receptors in biological systems.
Answer
Intracellular receptors.
Intracellular receptors bind specifically to lipid-soluble ligands.
Answer for screen readers
Intracellular receptors bind specifically to lipid-soluble ligands.
More Information
Intracellular receptors are located in the cytoplasm or nucleus. They interact directly with lipid-soluble ligands like steroids and thyroid hormones, which can easily pass through the cell membrane. Upon binding, these receptors often act by regulating gene expression.
Tips
A common mistake is confusing intracellular receptors with cell-surface receptors, which primarily bind water-soluble ligands.
Sources
- Intracellular Receptors - NCBI - ncbi.nlm.nih.gov
- Lecture 13 - Columbia University - columbia.edu
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