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Identify the movements associated with the following hormones:
1. Growth hormone
2. Insulin
3. Glucagon
4. ADH
- 1. AAs into cells
- 2. Glucose into cells
- 3. Glucose out of cells
- 4. Reabsorption of water
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What are the classes of hormones?
- Protein-peptide hormones (prolactin, ADH...)
- Amine hormones (Epinephtine, norepinephrine)
- Iodothyronines (T4, T3)
- Steroid hormones (Androgens, estrogens, cortisol...)
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How are amine, iodothyronines, and steroid hormones synthesized?
Enzymatic processes
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Which hormone types require carrier proteins?
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3 classes of hormone receptors
- G-protein coupled receptors
- Protein tyrosine kinases
- Ligand-gated ion channels
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What is the mechanism of steroid hormone action?
- Receptor-hormone dimers form
- Bind at chromatin to express or repress a gene
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What is the mechanism of thyroid hormone action?
- T4 activated to T3
- Regulates expression of DNA
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