BB 450 Unit 4 Test with verified answers
graded A+ 2025 updated
Carbohydrates - correct answer ✔✔carbon and water
Monosaccharides - correct answer ✔✔one carbon unit
Disaccharide - correct answer ✔✔two carbon unit
Oligosaccharides - correct answer ✔✔short chains of 3 or more monosaccharides
(at most 10)
Polysaccharides - correct answer ✔✔>10 monosaccharides
What is the general form for carbohydrates - correct answer ✔✔Cₓ(H2O)ₓ
Aldoses - correct answer ✔✔sugars with aldehydes. More easily oxidized than
ketones
Ketoses - correct answer ✔✔sugars with ketones
D-Glucose (aldose) - correct answer ✔✔
, D-fructose (ketose) - correct answer ✔✔
Haworth projection - correct answer ✔✔A method for depicting cyclic sugars as
planar rings with -OH groups sticking up or down from the plane of the sugar
Fischer projection - correct answer ✔✔A method of drawing organic molecules in
which horizontal lines are coming out of the page (wedges) and vertical lines are
going into the page (dashes)
D-ribose (aldopentose) - correct answer ✔✔
D-galactose - correct answer ✔✔
D-Mannose (aldohexose) - correct answer ✔✔
asymmetric carbon - correct answer ✔✔A carbon with 4 different substituents
bonded to it.
Enantiomers - correct answer ✔✔isomers that are mirror images of each other
(differ at all stereocenters)
S stereocenter - correct answer ✔✔counterclockwise
R stereocenter - correct answer ✔✔clockwise
graded A+ 2025 updated
Carbohydrates - correct answer ✔✔carbon and water
Monosaccharides - correct answer ✔✔one carbon unit
Disaccharide - correct answer ✔✔two carbon unit
Oligosaccharides - correct answer ✔✔short chains of 3 or more monosaccharides
(at most 10)
Polysaccharides - correct answer ✔✔>10 monosaccharides
What is the general form for carbohydrates - correct answer ✔✔Cₓ(H2O)ₓ
Aldoses - correct answer ✔✔sugars with aldehydes. More easily oxidized than
ketones
Ketoses - correct answer ✔✔sugars with ketones
D-Glucose (aldose) - correct answer ✔✔
, D-fructose (ketose) - correct answer ✔✔
Haworth projection - correct answer ✔✔A method for depicting cyclic sugars as
planar rings with -OH groups sticking up or down from the plane of the sugar
Fischer projection - correct answer ✔✔A method of drawing organic molecules in
which horizontal lines are coming out of the page (wedges) and vertical lines are
going into the page (dashes)
D-ribose (aldopentose) - correct answer ✔✔
D-galactose - correct answer ✔✔
D-Mannose (aldohexose) - correct answer ✔✔
asymmetric carbon - correct answer ✔✔A carbon with 4 different substituents
bonded to it.
Enantiomers - correct answer ✔✔isomers that are mirror images of each other
(differ at all stereocenters)
S stereocenter - correct answer ✔✔counterclockwise
R stereocenter - correct answer ✔✔clockwise