Biochemistry Hormones which act on intracellular receptors both initially in the cytoplasm and ultimately on nuclear receptors are categorized under: A Group I hormones B Group II hormones C Group III hormones D Group IV hormones 💡 Explanation Hormones which act on intracellular receptors both initially in the cytoplasm and ultimately on nuclear receptors are categorized under: ✓ Correct Answer: A. Group I hormones