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Cell-surface receptors fall into three general categories. Which list matches those categories?
AIon channel-linked, hormone-linked, and nucleus-linked receptors
BG-protein-linked, ribosome-linked, and kinase-linked receptors
CIon channel-linked, G-protein-linked, and enzyme-linked receptors
DEnzyme-linked, DNA-linked, and vesicle-linked receptors
Answer & Solution
Correct answer: C. Ion channel-linked, G-protein-linked, and enzyme-linked receptors
1. Cell-surface receptors fall into three general categories.
2. These are ion channel-linked receptors, G-protein-linked receptors, and enzyme-linked receptors.
3. Hormone-linked, nucleus-linked, DNA-linked, and vesicle-linked are not among the named categories.
4. Ribosome-linked and kinase-linked receptors are also not part of this three-part classification.
_Source: OpenStax Biology (1st ed., CC BY 4.0), Ch 9 "Cell Communication", section 9.1 Signaling Molecules and Cellular Receptors_
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