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