Energy and Enzymes

Question 1

What is potential energy?

Answer 1

stored energy (at top of hill)

Question 2

What is kinetic energy?

Answer 2

energy in motion (rolling down the hill)

Question 3

the first law of thermodynamics

Answer 3

energy is never created nor destroyed (just changes form)
results in characteristic of life: energy utilization

Question 4

the second law of thermodynamics, Give an example that illustrates

Answer 4

Entropy: natural tendency towards disorder
energy dispersed > is converted to heat energy

Question 5

endergonic reaction; amount of energy in the reactants and products for each.

Answer 5

energy is being added to make chemical bonds
reactants = low potential energy
products = high potential energy

Question 6

exergonic reaction in terms of the amount of energy in the reactants and products for each.

Answer 6

energy is being released as chemical bonds are broken
reactants = high potential energy
products = low potential energy

Question 7

coupled reactions

Answer 7

energy from exergonic reactions is used to fuel endergonic reactions