(Solved): 24) Farnesol, shown below, is biosynthesized from three isoprene units. Following the numbering of ...

24) Farnesol, shown below, is biosynthesized from three isoprene units. Following the numbering of the chain shown, identify where the isoprene units are connected. A) \( \mathrm{C}-3 \) to \( \mathrm{C}-4 \) and \( \mathrm{C}-7 \) to \( \mathrm{C}-8 \) B) \( \mathrm{C}-4 \) to \( \mathrm{C}-5 \) and \( \mathrm{C}-7 \) to \( \mathrm{C}-8 \) C) C \( -4 \) to \( \mathrm{C}-5 \) and \( \mathrm{C}-8 \) to \( \mathrm{C}-9 \) D) C-4 to C-5 and C-9 to C-10 E) C-5 to C-6 and C-9 to C-10 26) How many isoprene units are in \( \beta \)-carotene? A) 7 B) 8 C) 9 D) 10 E) 11 28) What lipid functional group can be "saturated" by a chemical reaction? A) Acid B) Ester C) Alkene D) Alcohol E) None of these 30) What part of a "soap" molecule interacts with dirt/oil during washing? A) Alcohol B) Carboxylate C) Fatty Acid tail D) Sodium E) None of these