Questions: Select all that apply What are the two chemical categories of endocrine hormones? Neurohormones Bound Free Water-soluble Lipid-soluble

Select all that apply What are the two chemical categories of endocrine hormones? Neurohormones Bound Free Water-soluble Lipid-soluble
Transcript text: Select all that apply What are the two chemical categories of endocrine hormones? Neurohormones Bound Free Water-soluble Lipid-soluble
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Solution

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The two chemical categories of endocrine hormones are:

  • Water-soluble
  • Lipid-soluble

Explanation:

  1. Neurohormones: These are hormones released by neurosecretory cells, not a chemical category of hormones. They can be either water-soluble or lipid-soluble.

  2. Bound: This refers to the state of hormones in the bloodstream, where they may be bound to carrier proteins. It is not a chemical category.

  3. Free: This refers to hormones that are not bound to carrier proteins in the bloodstream. It is not a chemical category.

  4. Water-soluble: These hormones are soluble in water and include peptide and amino acid-derived hormones. They cannot easily pass through cell membranes and typically bind to receptors on the cell surface.

  5. Lipid-soluble: These hormones are soluble in lipids and include steroid hormones. They can easily pass through cell membranes and typically bind to intracellular receptors.

In summary, the two chemical categories of endocrine hormones are water-soluble and lipid-soluble.

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