1. Let’s review for the final! No points, just review.
Practice Clicker Quiz
Let’s review for the final!
No points, just review.

2. 1. Which biomolecule is made up ONLY of C, H, and O, and is a short-term energy source?
Lipids
Carbohydrates
Proteins
Nucleic acids

3. 2. Enzymes (biological catalysts) do which of these?
Slow down reactions.
Are changed by reactions.
Speed up or facilitate reactions.
Require ATP to carry out reactions.

4. 3. What is one way in which DNA differs from RNA?
RNA contains uracil instead of thymine.
RNA is a double helix.
RNA is a protein.
RNA has a phosphate-sugar backbone.

5. 4. During photosynthesis, which of these happens?
CO2 is released to the environment.
Glucose is used as energy.
CO2 is used to build organic molecules.
O2 is used as a source of electrons

6. 5. What is the role of ATP in the cell?
Shuttle energy in the cell.
Store genetic information.
Provide insulation for the cell.
Regulate what moves in and out of the cell.