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- 1. Multiple Choice
This is a substance that changes the rate of a chemical reaction.
catalyst
solute
solvent
- 2. Multiple Choice
For enzymes to work, it has a spot where molecules dock in. What do we call this spot?
active site
substrate
inhibitor
- 3. Multiple Choice
Water is a _________ molecule.
nonpolar
polar
- 4. Multiple Choice
What makes water important to life?
Check all that apply.
The polarity of water makes it good at dissolving things.
Water can move nutrients around.
Water dehydrates our body.
- 5. Multiple Choice
This is the attraction of water molecules for each other.
cohesion
adhesion
hydrogen bonding
- 6. Multiple Choice
Of all the elements, ________ is the most significant to life.
carbon
hydrogen
nitrogen
- 7. Multiple Choice
These are molecules that contain carbon covalently bonded to other elements.
inorganic compounds
organic compounds
- 8. Multiple Choice
Below are the organic compounds.
Check all that apply.
carbohydrates
lipids
protein
water
nucleotides
- 9. Multiple Choice
Rice, potatoes, bread and legumes are good sources of _________.
carbohydrates
lipids
proteins
nucleotides
- 10. Fill in the Blank
This is the intermolecular connection between hydrogen atoms of water molecules with other molecules.
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