Organic Chemistry Carbohydrates
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Carbohydrates have six major functions within the body; they provide energy and regulation of blood glucose. Most people think that too much carbohydrate is unhealthy. Having studies them in class you have a clear understanding of how they are beneficial. Take up the quiz to test your understanding. All the best!
- 1.What type of atoms do carbohydrates contain
- A.
Carbon, oxygen, hydrogen
- B.
Carbon, hydrogen, nitrogen
- C.
Carbon, oxygen, nitrogen
- 2.Chemically most carbs are:
- A.
Polyhydroxy alderhydes and polyhydroxy thiols
- B.
Polyhydroxy alderhydes and polyhydroxy keytones
- C.
Polyhydroxy keytones and polyhydroxy thiols
- 3.What suffix indicates theat the compound is a carbohydrate
- A.
Ase
- B.
Rides
- C.
Ose
- 4.What is a fisher projection
- A.
An open chain structure
- B.
A cyclic structure
- C.
Neither
- 5.Fructose is a
- A.
Aldoses
- B.
Ketoses
- C.
Gycoses
- 6.When glucose is synthesized in green plants in a process called
- A.
Gycosis
- B.
Photosynthesis
- C.
Synthesis
- D.
Cellular respiration
- 7.What is a haworth projection
- A.
A open chain structure
- B.
A cyclic structure
- C.
Neither
- 8.Furan is a how many membered ring
- A.
4
- B.
5
- C.
6
- D.
7
- 9.A Alpha anome is a OH on anomeric C is positioned
- A.
Up
- B.
Down
- C.
Inside the ring
- D.
Outside the ring
- 10.A beta anomer has the OH on anormeric C positioned
- A.
Up
- B.
Down
- C.
Neither
- 11.Amino sugars contain what group instead of a OH group
- A.
SH2
- B.
NH2
- C.
OH2
- 12.
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Why is this disaccharide an alpha 1-4 linkage- A.
Because the O goes down from the two linked carbons
- B.
Because it contains a O bond
- C.
Neither
- D.
Both
- 13.Starch is the storage form of glucose in
- A.
Animals
- B.
Plants
- C.
Both
- D.
Neither
- 14.Starch can be seperated into
- A.
Amylose and amylopectin
- B.
Amylopectin and glucose
- C.
Amylose and glucose
- 15.
- A.
Straight chain
- B.
Branched chain
- C.
Both
- 16.Amylopectin is
- A.
Straight chain
- B.
Branched chain
- C.
Neither
- 17.What forms the fibre like structure of cell walls
- A.
Starch
- B.
Glucose
- C.
Cellulose
- 18.What is the storage form of glucose in animals
- A.
Starch
- B.
Glycogen
- C.
Glucagon
- D.
Cellulose
- 19.Which of thems is dietary fibre
- A.
Cellulose
- B.
Starch
- C.
Gycogen
- 20.Which is sweeter d-fructose or D galactose
- A.
D -frutose
- B.
They are the same
- C.
D - galactose
- 21.
- A.
Glucose intolerance
- B.
Fructose intolerance
- C.
Lactose intolerance
- 22.D-galactose, D-glucose, D-fructose are the most abundant
- A.
Hexoses
- B.
Pentoses
- C.
Tetroses
- 23.What is the process called that produces ATP iin the body
- A.
Photosynthesis
- B.
Glycolygsis
- C.
Cellular respiration
- 24.Disaccharides are 2 ______________ joined together by a glycosidic bond
- A.
Keytones
- B.
Monosaccharides
- C.
Alderhydes
- D.
Carboxylic acids
- 25.Maltose is
- A.
Raw sugar
- B.
White sugar
- C.
Malt sugar
- 26.Lactose is hydrolyzed with which enzyme
- A.
Amylase
- B.
Lactase
- C.
Sucrase
- D.
Fructase
- 27.Sucrose is made up of
- A.
D-glucose + D-sucrose
- B.
D-glucose + D-fructose
- C.
D-galactose + D-glucose
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