8. Carbohydrates

Question 1

linear form of carbohydrates

Answer 1

Fisher projection

Question 2

shows the cyclic structure, as viewed from the side, showing sterochemistry or locaiton ofattached molecules to monosaccharide ring

Answer 2

haworth projection

Question 3

a boat conformation in which C1 is tilted upwards, same direction as C4 (less common)

Answer 3

chair conformation

Question 4

this carb’s fx group is aldehyde

Answer 4

aldose

Question 5

this carb’s fx group is a ketone

Answer 5

ketose

Question 6

isomers that differ in configuration on only one specific carbon atom (except carbonyl carbon)

Answer 6

epimers

Question 7

are molecules that have the same molecular formula, but have a different arrangement of the atoms in space.

Answer 7

isomers

Question 8

glucose and galactose are isomers that differ in

Answer 8

position of OH in C4

Question 9

glucose and mannose differ in

Answer 9

OH in C2

Question 10

• optical isomers, stereioisomers

* mirror images

Answer 10

enantiomers

Question 11

anomers with rotation around the carbonyl atom are labeled

Answer 11

α and ß anomers

Question 12

anomers can undergo interconversion from α —› ß without energy expenditure , or need for enzymes, in a process called

Answer 12

mutarotation