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Multiple Choice
Which of the following is true for steroid hormones?
A
They are synthesized in the ribosomes.
B
They are derived from cholesterol.
C
They bind to receptors on the cell surface.
D
They are water-soluble and travel freely in the bloodstream.
Verified step by step guidance
1
Understand the nature of steroid hormones: Steroid hormones are a class of hormones that are derived from cholesterol, a lipid molecule.
Recognize the synthesis location: Steroid hormones are synthesized in the adrenal glands and gonads, not in ribosomes. Ribosomes are involved in protein synthesis, not lipid-derived hormone synthesis.
Identify the solubility characteristics: Steroid hormones are lipid-soluble, which means they are not water-soluble. They require carrier proteins to travel in the bloodstream.
Determine the receptor interaction: Due to their lipid-soluble nature, steroid hormones can pass through cell membranes and typically bind to intracellular receptors rather than cell surface receptors.
Conclude the correct statement: Based on the characteristics of steroid hormones, the statement 'They are derived from cholesterol' is true.