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Energy Transfer
| Question | Answer |
|---|---|
| What is the best definition of energy? | The capacity to do work |
| True or False Energy cannot be created or destroyed. | True |
| Potential or Kinetic A bowling ball placed on the top shelf of a closet. | Potential |
| Entropy means that _______. | The quantity of usable energy declines with each energy transformation. |
| Every time energy is converted from one form to another, energy ________. | increases |
| Molecules of food have a special form of potential energy called _____. | chemical energy |
| Energy is conserved. This means that in any system, total energy input equals total energy output. True or False. | True |
| Kinetic energy is energy in motion. Potential energy is _____ energy. | Stored |
| In cellular respiration, most energy is released and transferred to ATP when _____. | high-energy electrons "fall" to lower energy levels |
| What type of reaction breaks the bonds that join the phosphate groups in an ATP molecule? | hydrolysis |
| The molecule most directly involved in energy transfer within cells is _____. | ATP |
| Which are materials found in a molecule of ATP? | an organic molecule called adenosine plus three phosphate groups |
| ATP drives work in cells by __________. | transferring its phosphate group to other cell molecules |
| True or False A single muscle cell needs only about one minute to recycle all of its ATP. | True |
| Glycolysis is the multi-step breakdown of _____. Several different _____ play a role in this process. | glucose, enzymes |
| Unlike the Citric Acid cycle and electron transport, glycolysis occurs _____. | in the cytoplasm or cytosol |
| What is/are the most important output(s) of glycolysis? | two pyruvic acid and two NADH molecules |
| Which part(s) of cellular respiration require(s) oxygen gas? | citric acid cycle & electron transport chain |
| Cellular respiration requires fuel (glucose) and oxygen gas. The main process that produces these inputs is _____. | photosynthesis |