Asked by Kayla Trahan on May 07, 2024
Verified
Which statement is true about steroid hormones?
A) Insulin is a steroid hormone.
B) Steroids bind to cell surface receptors.
C) Steroid hormones act faster than peptide hormones.
D) The hormone-receptor complex can enter the nucleus.
E) Steroid hormones have different complexes of 4-carbon rings.
Steroid Hormones
A class of hormones synthesized from cholesterol, including androgens, estrogens, and corticosteroids, which play various roles in the body's functioning.
Hormone-Receptor Complex
A molecular complex formed when a hormone binds to its specific receptor, often resulting in a cellular response or change in cell activity.
Peptide Hormones
Chemical messengers composed of short chains of amino acids that regulate physiological processes in organisms.
- Understand how hormones can be classified (e.g., steroid vs. peptide hormones).
Verified Answer
ZK
Zybrea KnightMay 08, 2024
Final Answer :
D
Explanation :
Steroid hormones can pass through the cell membrane because they are lipid-soluble, and bind to receptors inside the cell, including in the nucleus. Once bound, the hormone-receptor complex can modify gene expression, thereby producing a slower but more sustained response compared to peptide hormones, which typically bind to cell surface receptors and produce more rapid but shorter-lived responses. Insulin is not a steroid hormone, and while steroid hormones can have different functional groups attached to their carbon rings, all share the basic structure of four fused rings.
Learning Objectives
- Understand how hormones can be classified (e.g., steroid vs. peptide hormones).