Q7. Because of the (^-configuration of the methyl branch, it looks like the chain is begun with 2-methylbutyric acid (see Figure 3.12) but that is without proof. It might be made from acetate and propionate.

Chapter 5

Q1. Specific incorporation into the lipid fraction was 7.19% and into bombykol 0.115%. The amount in bombykol is just about enough to study further by addition of more 'cold' bombykol. If the experiment had been conducted when the females were a few days older, better incorporation might have been achieved.

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