Nutrients (Biological Molecules)
Across
- 2. The combination of 2 glucose molecules gives ____________.
- 4. Water is an important _____________ for chemical reactions.
- 5. A carbohydrate present in cell walls.
- 6. A polysaccharide found in storage organs of plants.
- 8. Organic molecules that are made up of carbon, hydrogen and oxygen; the ratio of hydrogen to oxygen is 2:1.
- 11. Simple sugar is also called _________________.
- 12. To test for starch, __________ solution is used.
- 13. A polysaccharide stored in liver and muscles of mammals.
- 14. To test for reducing sugar, ____________ solution is used.
Down
- 1. An example of a simple sugar.
- 2. The enzyme that breaks down maltose into its glucose units.
- 3. Many simple sugar molecules are joined together to form a ________________.
- 7. A chemical reaction whereby two simple molecules are joined together to form a larger molecule with the removal of one molecule of water.
- 9. A positive test for reducing sugar will give a ______-____ precipitate.
- 10. Water is a ___________ medium for dissolved substances e.g. digested products & waste products.