Biology Chapter 2 Review

Refer to the picture; this is occurring because of:

• Adhesion
• Cohesion

If you stir salt into boiling water, you produce ?

• solvent

• solution

• suspension

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

The area that the substrate fits into on the enzyme is called the:

• Active Site
• Allosteric Site
• DiSulphide Bridge
• β-Pleated Sheet

Tags

NGSS.MS-LS3-1

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

Enzymes are capable of increasing the rate of a chemical reaction within a living cell.  Enzymes accomplish this through which of the following means?

• reducing the number of products   
• reducing the activation energy
• increasing the temperature of the cell
• increasing the concentration of reactants 

Tags

NGSS.HS-PS1-4

NGSS.HS-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