Question
____ are signaling molecules that are secreted directly into the bloodstream to distant target tissues.
Answer
Hormones are signaling molecules that are secreted directly into the bloodstream to distant target tissues.
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Endocrine signaling involves the secretion of hormones ____
Endocrine signaling involves the secretion of ____ directly into the bloodstream.
Hormones bind to target receptors and ____
____ hormones are composed of amino acids.
Peptide hormones are composed of ____.
At target tissues, hormones bind to receptors, inducing a change in ____.