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Questions and Answers
Where are steroid hormone receptors typically located within cells?
What is the ultimate destination of steroid receptor-hormone complexes?
What is the function of steroid hormone receptors?
Where are steroid hormones synthesized?
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What is the main site of steroid hormone synthesis in producing cells?
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How are steroid hormones excreted from the body?
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Where are steroid hormone receptors located?
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What happens when the receptor-hormone complex is formed?
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What is the function of the activated genes in the cytoplasm?
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Why do steroid hormones typically not mediate reflex pathways that require rapid responses?
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Study Notes
Steroid Hormone Receptors
- Steroid hormone receptors are typically located in the cytoplasm of target cells.
Function of Steroid Hormone Receptors
- The function of steroid hormone receptors is to bind with steroid hormones, forming a receptor-hormone complex.
Destination of Steroid Receptor-Hormone Complexes
- The ultimate destination of steroid receptor-hormone complexes is the cell nucleus, where they regulate gene expression.
Steroid Hormone Synthesis
- Steroid hormones are synthesized in the adrenal cortex and gonads.
- The main site of steroid hormone synthesis in producing cells is the endoplasmic reticulum.
Excretion of Steroid Hormones
- Steroid hormones are excreted from the body through the liver and kidneys.
Formation of Receptor-Hormone Complex
- When the receptor-hormone complex is formed, it triggers a signal transduction pathway, leading to changes in gene expression.
Function of Activated Genes
- The function of activated genes in the cytoplasm is to synthesize new proteins, which then carry out specific cellular responses.
Reflex Pathways
- Steroid hormones typically do not mediate reflex pathways that require rapid responses because they work through gene transcription, which is a slower process compared to neurotransmission.
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Description
Test your knowledge on cell signaling pathways and the production of steroid hormones in the body. Questions may cover second messenger systems, G protein subtypes, and the synthesis of steroid hormones from cholesterol.
