9. (7 pts. We have learned about two types of hormones in this class - sexual hormones such as
testosterone and protein-based metabolic hormones such as insulin. Describe the chemical differences
between testosterone and insulin (in terms of the functional groups), and use the differences in
functional groups to explain why testosterone can survive oral ingestion but insulin cannot be taken
orally and must be injected.
CHOH
CH
1H
testosterone