Multiple choice 1. A steroid hormone can access an intracellular receptor becaus
ID: 590950 • Letter: M
Question
Multiple choice
1. A steroid hormone can access an intracellular receptor because:
(a) It binds to cholesterol
(b) It is hydrophobic
(c) It is a hormone
(d) all of the above
2. When a chemical messenger (or ligand) reaches a target cell, it binds to a receptor. A hydrophobic ligand binds to a(n)________, whereas a hydrophilic ligand binds to a(n) ___________.
(a) intracellular receptor; transmembrane receptor
(b) transmembrane receptor; intracellular receptor
(c) agonist receptor; antagonist receptor
(d) hormone receptor; lipid receptor
Explanation / Answer
1. A steroid hormone can access an intracellular receptor because:
(a) It binds to cholesterol
(b) It is hydrophobic
(c) It is a hormone
(d) all of the above
Answer = (b) It is hydrophobic
2. When a chemical messenger (or ligand) reaches a target cell, it binds to a receptor. A hydrophobic ligand binds to a(n)________, whereas a hydrophilic ligand binds to a(n) ___________.
(a) intracellular receptor; transmembrane receptor
(b) transmembrane receptor; intracellular receptor
(c) agonist receptor; antagonist receptor
(d) hormone receptor; lipid receptor
Answer = (a) intracellular receptor; transmembrane receptor
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