True or false: energy in the cell

Exercise and reference answers

Questions

1. Statement is true

   No

   Statement

   Activation energy can be negative for a fast reaction.

2. Statement is true

   Yes

   Statement

   A closed system transfers energy but not matter.

3. Statement is true

   No

   Statement

   Enzymes change the free energy of reactants and products.

4. Statement is true

   Yes

   Statement

   A cell at chemical equilibrium is a dead cell.

5. Statement is true

   No

   Statement

   Every enzyme works best at the same pH.

6. Statement is true

   Yes

   Statement

   Unused ATP breaks down on its own and the energy is lost.

Instructions

Tap True or False for each statement.

Explanation