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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 |