Multiple choice

1.What is the term used to describe the energy needed to get a reaction started?

a. adhesion energy

b. activation energy

c. cohesion energy

d. chemical energy

2.What might cause a theory to change over time?

a. New laws passed by the government

b. New but untestable ideas

c. Changes in public opinion

d. The discovery of new evidence

3.What might happen if a cell did not have any ATP?

a. It would not have enough energy to carry out passive transport

b. It would not have enough energy to carry out active transport

c. Its transport proteins would be made of carbohydrates instead

d. Its cell membrane would no longer be semi-permeable

4.What types of environmental conditions can denature a protein?

a. pH, time, solute concentration, temperature

b. pH, salinity, solute concentration, temperature

c. pH, time, solute concentration, temperature

d. time, salinity, solute concentration, temperature