Chapter 7 Flashcards
1
Q
two major classes of carbs
A
aldoses and ketoses
2
Q
molecules with n chiral center
A
will have 2^n stereoisomers
3
Q
epimers
A
sugars that differ at only one of several chiral centers
4
Q
aldose -ribose structure
A
OH OH OH OH
–C—–C—-C—-C–
H H H H
5
Q
aldose - glyceraldehyde structure
A
OH
–C–
H
6
Q
aldose - glucose structure
A
OH H OH OH
–C—-C—-C—-C
H OH H H
7
Q
aldose - galactose structure
A
OH H H OH
–C—–C—-C—-C
H OH OH H
8
Q
ketose - dihydroxyacetone structure
A
O
||
C
9
Q
ketose - fructose structure
A
O H OH OH
-C –C—-C—-C–
OH H H
10
Q
an aldehyde or aldoses with alcohol is
A
a hemiacetal
11
Q
a ketone or ketoses with alcohol is
A
a hemiketal
