Which of the following statements about hormones is correct? O steroid hormones are water soluble O epinephrine, norepinephrine, and dopamine are all catecholamines O receptor molecules of water soluble hormones are usually cell membrane proteins O water soluble hormones act on target cells by altering gene expression O Amine hormones are all lipid soluble O receptor molecules of lipid soluble hormones are usually in the cytoplasm or nucleus, but can also be in the cell membrane O insulin, growth hormone, and ecdysone are all examples of peptide hormones

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