mevalonate pathway 1

Question 1

modified terpenes by oxygen added or methyl removed or moved

Answer 1

terpenoids

Question 2

arise from acetate via mevalonic acid

Answer 2

isoprene

Question 3

branched 5 carbon units with 2 unsaturated bonds

Answer 3

isoprene

Question 4

isoprene is chemically known as

Answer 4

2 methyl 1,3 butadiene

Question 5

class name for the 1 to 8 isoprene units

Answer 5

hemiterpene-1
monoterpene-2
sesquiterpene-3
diterpene-4
sesterterpene-5
triterpene-6
tetraterpene-8

Question 6

natural products whose structures may be divided into isoprene units

Answer 6

terpenes

Question 7

2 active isoprene units

Answer 7

DMAPP- dimethylallyl diphosphate

IPP- isopentyl diphosphate

Question 8

2 pathways involved in biosynthesis of isoprene

Answer 8

mevalonate

methylerythritol phosphate

Question 9

triterpenes comes from 2

Answer 9

sesquiterpenes

Question 10

tetraterpenes comes from 2

Answer 10

diterpene

Question 11

3 hemiterpenes

Answer 11

IPP
DMAPP
isoprene

Question 12

alkylating agent for meroterpenoids

Answer 12

DMAPP

Question 13

constitutes volatile oils and used as flavoring agents

Answer 13

monoterpenes

Question 14

used as liniments against rheumatic pain

Answer 14

camphor

Question 15

liniments and ointments against itching

Answer 15

menthol

Question 16

used as an aromatic bitter tonic and remedy for poor appetite

Answer 16

bitter orange peel

Question 17

monoterpenes used as bactericidal preparations

Answer 17

thymol and carvacrol

Question 18

isomers of geranyl PP

Answer 18

linalyl PP

neryl PP

Question 19

precursors for cyclic monoterpens biosynthesis

Answer 19

neryl PP

linalyl PP

Question 20

structural forms of monoterpenes

Answer 20

acyclic
monocyclic
bicyclic

Question 21

the acyclic monotepenes are

Answer 21

hydrocarbons
aldehydes
alcohols

Question 22

formation of menthane type monoterpenes

Answer 22

monocyclic monoterpenes

Question 23

fates of methyl/ alpha terpinyl carion in monocyclic monoterpens

Answer 23

quenching ith nucleophiles
loss of proton
wagner meerwein reaarangement
cyclization

Question 24

fates of methyl/ alpha terpinyl carion in bicyclic monoterpens

Answer 24

loss of proton forming cyclopropane ring
folding cationic side chain of methyl
wagner meerwein rearrangement

Question 25

terpenoids derived from c5 that do not link in regular hed to tail coupling mechanism

Answer 25

irregular monotepenes

Question 26

2 irregular monoterpenes

Answer 26

chrysanthemic acid | pyrethric acid

Question 27

cyclopropane structures from 2 isoprene units

Answer 27

chrysanthemic acid

Question 28

pyrethric acid found in nature as

Answer 28

pyrethrins jasmolins cinerins

Question 29

insecticidal components in pyrethrum flowers

Answer 29

pyrethric acid

Question 30

monotrpenoids with iridane skeleton

Answer 30

iridoids

Question 31

contains a cyclopentane ring fused to a six membered oxygen heterocycle

Answer 31

iridoid

Question 32

5 iridoids

Answer 32

``` nepetalactone loganin secologanin gentiopicroside valtrate ```

Question 33

powerful attractants and stimulants for cats

Answer 33

nepetalactone

Question 34

from catmint

Answer 34

nepetalactone

Question 35

sci name of catmint

Answer 35

Nepeta cataria lamiaceae

Question 36

representative of secoiridoid

Answer 36

secologanin

Question 37

key intemediate in the biosynthesis of iridoid structures, terpenoid indole alkaloids, and tetrahydroisoquinoline alkaloids

Answer 37

loganin

Question 38

found in gentian root

Answer 38

gentiopicroside

Question 39

sci name of gentian root

Answer 39

Gentiana lutea gentianaceae

Question 40

epoxyiridoid ester from Valeriana officinalis with sedative activity

Answer 40

valtrate

Question 41

6 bicyclic monoterpenes

Answer 41

``` pinane fenchane carane camphane isocamphane thujane ```