SBI4U
Homework Sheet: Carbohydrates
Part One
Answer these questions after Carbohydrates Lesson One
1. Define and provide an example of each:
Term
Definition
Anabolic reaction
Example
Catabolic reaction
2. a) What elements are present in all carbohydrates?
___________________________________________
b) What is the general formula for a carbohydrate?
___________________________________________
3. What are the 4 important uses of carbohydrates?
4. The most simple type of carbohydrate is a _____________________. These can appear
as a ___________ structure or a ____________ structure. When in a __________
structure, the 1st Carbon and the _____ Carbon join together.
5. Glucose, _____________ and _______________ are all isomers of each other. Briefly
explain why isomers exist:
6. What is the difference between an aldose and a ketose?
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7. Identify whether or not the following monosaccharides are aldoses or ketoses:
8. _____ monomers come together with _____________________ to form
________________________. For example:
______________________ + _________________________ = _____________________
______________________ + _________________________ = _____________________
______________________ + _________________________ = _____________________
9. Maltose is a sugar found in ___________________.
Lactose is a sugar found in ____________________.
Sucrose is a sugar found in ____________________.
10. a) Circle the functional groups
b) Name the functional groups
c) Identify the monosaccharide
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Part Two
Answer these questions after Carbohydrates Lesson Two
1. Complete the table below:
Polysaccharide
name
Function
(energy or
support?)
Structure
Animals
(examples)
Plants
(examples)
2. Explain the 3 stages of how carbohydrates are made (or broken down) using both
images and words: