Edexcel A-level Biology Edexcel -
CARBOHYDRATES 2024 Exam Quiz
Study Guide
Name 3 ways in which carbohydrates are useful - Answer>>1.
Energy store
2. Energy source
3. Cellulose (structure)
What are all carbohydrates made up of? - Answer>>Carbon,
hydrogen, oxygen
What are the three main groups of carbs? -
Answer>>Monosaccharides
Disaccharides
Polysaccharides
What is the general formula for monosaccharides? -
Answer>>(CH2O)n
What is the formula fo triose sugars? - Answer>>C2H603
What is the importance of triose sugars? - Answer>>Important
in mitochondria, where glucose is broken down into triose sugars
during respiration
What is the molecular formula for pentose sugars? -
Answer>>C5H10O5
Give an example of a pentose sugar - Answer>>Ribose
Draw a ribose molecule - Answer>>
, What is the molecular formula for hexose sugars? -
Answer>>C6H12O6
Give examples of hexose sugars - Answer>>Glucose, fructose,
galactose
Name two isomers of glucose - Answer>>Alpha glucose and
beta glucose
Draw alpha glucose - Answer>>
Draw beta glucose - Answer>>
How is a disaccharide formed? - Answer>>When two
monosaccharides join together in a condensation reaction where
water is removed
How are monosaccharides bonded? - Answer>>Glycosidic
covalent linkages
Name the monosaccharides of sucrose - Answer>>Alpha-
glucose and fructose
What is the source of sucrose? - Answer>>Stored in plants
such as sugar cane
Name the monosaccharides of lactose - Answer>>Alpha-
glucose and beta-galactose
What is the source of lactose? - Answer>>Main carb in milk
Name the monosaccharides of maltose - Answer>>Alpha-
glucose and alpha-glucose
CARBOHYDRATES 2024 Exam Quiz
Study Guide
Name 3 ways in which carbohydrates are useful - Answer>>1.
Energy store
2. Energy source
3. Cellulose (structure)
What are all carbohydrates made up of? - Answer>>Carbon,
hydrogen, oxygen
What are the three main groups of carbs? -
Answer>>Monosaccharides
Disaccharides
Polysaccharides
What is the general formula for monosaccharides? -
Answer>>(CH2O)n
What is the formula fo triose sugars? - Answer>>C2H603
What is the importance of triose sugars? - Answer>>Important
in mitochondria, where glucose is broken down into triose sugars
during respiration
What is the molecular formula for pentose sugars? -
Answer>>C5H10O5
Give an example of a pentose sugar - Answer>>Ribose
Draw a ribose molecule - Answer>>
, What is the molecular formula for hexose sugars? -
Answer>>C6H12O6
Give examples of hexose sugars - Answer>>Glucose, fructose,
galactose
Name two isomers of glucose - Answer>>Alpha glucose and
beta glucose
Draw alpha glucose - Answer>>
Draw beta glucose - Answer>>
How is a disaccharide formed? - Answer>>When two
monosaccharides join together in a condensation reaction where
water is removed
How are monosaccharides bonded? - Answer>>Glycosidic
covalent linkages
Name the monosaccharides of sucrose - Answer>>Alpha-
glucose and fructose
What is the source of sucrose? - Answer>>Stored in plants
such as sugar cane
Name the monosaccharides of lactose - Answer>>Alpha-
glucose and beta-galactose
What is the source of lactose? - Answer>>Main carb in milk
Name the monosaccharides of maltose - Answer>>Alpha-
glucose and alpha-glucose
