Examlex
Which of the following vitamins can be accurately described as being a steroid hormone?
Cyclopentane
A cycloalkane with the molecular formula C5H10, consisting of a ring of five carbon atoms each connected with two hydrogen atoms, used as a solvent and in organic synthesis.
Cyclopentene
A cyclic hydrocarbon with the molecular formula C5H8, featuring a five-membered ring with one double bond.
Ammonia
A compound of nitrogen and hydrogen with the formula NH3, known for its pungent smell and use as a nitrogen source in fertilizers.
Triethylamine
A strong, organic base with the formula (C2H5)3N, used as a catalyst and solvent in chemical synthesis.
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