PCAM EXAM 2; PART 2 STUDY GUIDE QUESTIONS WITH ALL CORRECT ANSWERS!!

PCAM EXAM 2; PART 2
STUDY GUIDE
QUESTIONS WITH ALL
CORRECT ANSWERS!!
PCAM

Evatee 8/3/24 PCAM

,PCAM EXAM 2; PART 2 STUDY GUIDE
QUESTIONS WITH ALL CORRECT ANSWERS!!


What comprises the most important group of bioactive natural products with
over 20,000 known structures? Answer - Terpenes or terpenoids


Many terpenes are what type of compounds? Answer - Hydrocarbons, but
oxygen-containing compounds such as alcohols, aldehydes, or ketones are also
found.


During the biosynthesis of these compounds the _________ units of terpenes
are linked in a head to tail fashion. Answer - Isoprene


What is the building block of terpenes? Answer - Isoprene (CH2=C(CH3)-
CH=CH2)


Isoprene (building block of terpenes) has how many carbons? Answer - Five (5)


What are some examples of terpenes? Answer - -Limonene (skin of citrus
fruits)
-Menthol (peppermint)
-Camphor
-Vitamin A
-Citral (lemon grass)

, -beta-carotene (carrots, converted to vitamin A)


How are terpenes classified? Answer - According to the number of isoprene
units


How many isoprene units do monoterpenes have? Answer - 2


What is the carbon count of monoterpenes? Answer - 10


How many isoprene units do sesquiterpenes have? Answer - 3


What is the carbon count of sesquiterpenes? Answer - 15


How many isoprene units do diterpenes have? Answer - 4


What is the carbon count of diterpenes? Answer - 20


How many isoprene units do sesterpenes have? Answer - 5


What is the carbon count of sesterpenes? Answer - 25


How many isoprene units do titerpenes have? Answer - 6


What is the carbon count of triterpenes? Answer - 30


How many isoprene units do carotenoids have? Answer - 8