EASY
AS and A Level
IMPORTANT
Earn 100

Try making models of or drawing these molecules:

ethanol, C2H5OH

Important Questions on Biological Molecules

EASY
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 2 - Biological Molecules>BEFORE YOU START>Q •

Try making models of or drawing these molecules:

a hydrocarbon, e.g. C3H8

EASY
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 2 - Biological Molecules>BEFORE YOU START>Q •

Try making models of or drawing these molecules:

ammonia, NH3

EASY
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 2 - Biological Molecules>BEFORE YOU START>Q •

Try making models of or drawing these molecules:

 ethanoic acid, CH3COOH

MEDIUM
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 2 - Biological Molecules>Question>Q 1
The formula for a hexose is C6H12O6 or (CH2O)6. What would be the formula of a triose?
MEDIUM
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 2 - Biological Molecules>Question>Q 1
The formula for a hexose is C6H12O6 or (CH2O)6. What would be the formula of a pentose?
EASY
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 2 - Biological Molecules>Question>Q 2
Why do you need to use excess Benedict's reagent to find the concentration of a sugar solution?
MEDIUM
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 2 - Biological Molecules>Question>Q 2
Outline how you could use the Benedict's test to estimate the concentration of a solution of a reducing sugar.
EASY
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 2 - Biological Molecules>Questions>Q 3
What type of chemical reaction happens when glucose is formed from starch or glycogen?