試題詳解

35. E. coli does NOT have any__________ fatty acids, plants can introduce double bonds into fatty acids between Δ⁹ and the__________-end of the chain, while mammals can only introduce double bonds between Δ⁹ and the__________-end of the chain.
(A) Saturated； carboxyl； methyl
(B) Mono-unsaturated； carboxyl； methyl
(C) Polyunsaturated； carboxyl； methyl
(D) Polyunsaturated； methyl； carboxyl
(E) Saturated； methyl； carboxyl