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What was the perceived fundamental conflict between Darwin's and Mendel's theories?
Exocrine Gland
A gland that excretes its products through a duct that opens onto a free surface, such as the skin (e.g., sweat glands). Compare with endocrine gland.
Pancreas
A gland in the digestive and endocrine systems of vertebrates that produces digestive enzymes and hormones, including insulin.
Intracellular Receptors
Proteins located within the cell cytoplasm or nucleus that bind to specific molecules and trigger cellular responses.
Steroid Hormones
Hormones, such as insect molting hormone, cortisol, and male/female sex hormones, that are derived from cholesterol.
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