Chapter 2 Review: Chemistry of Life

When salt is dissolved in water, salt is the ?

• solution

• solute

• solvent

• mixture

A substance with a pH of 6 is what?

• an acid

• base

Enzymes catalyze reactions by ___________ Activation Energy.

• Increasing
• Decreasing

Tags

NGSS.HS-PS1-4

Enzymes speed up reaction rates by changing:

• Activation Energy
• pH
• Hydrogen Bonds
• Kinetic Energy

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the purpose  of an enzyme?

• give permission for the reaction
• raise activation energy
• speed up reactions
• control how many reactions occur

Tags

NGSS.MS-LS1-7

Enzymes are considered to be 

• Lipids
• Carbohydrate
• Protein
• Nucleic Acid

Tags

NGSS.MS-LS1-7

Which biomolecule is this a picture of?

• Protein
• Nucleic Acid
• Lipid
• Carbohydrate

Tags

NGSS.MS-LS3-1

Which biomolecule is this a picture of?

• Protein
• Nucleic Acid
• Lipid
• Carbohydrate

Tags

NGSS.MS-LS1-7

Which biomolecule is this a picture of?

• Protein
• Nucleic Acid
• Lipid
• Carbohydrate

Which biomolecule contains pastas and breads?

• Lipid
• Protein
• Nucleic Acid
• Carbohydrate