Which of the following describes the correct order of energy conversions necessary to form electricity from bioenergy? O Chemical → Kinetic –→ Heat → Electric O Chemical → Heat → Kinetic → Electric O Solar → Heat → Chemical → Kinetic Electric O Solar → Chemical → Heat → Kinetic → Electric
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- Which of the following describe(s) an exergonic reaction? energy is released non-spontaneous energy is absorbed spontaneousIn which of the following conditions is the Gibbs free energy negative? O reaction is at equilibrium process is spontaneous O reaction is exothermic O process is not spontaneousWhich of the following describe energy unavailable to do cellular work? Group of answer choices Gibbs Free Energy Entropy Enthalpy delta G
- The movement of energy between living organisms is a matter of atoms, molecules and compounds being built into larger molecules or being broke into smaller ones. Reviewing the two equations for energy transference, which one is building energy? 6CO2 + 6H2O + energy --------> C6H12O6 + 6O2 C6H12O6 + 6O2 ---------> 6CO2 + 6H2O + energyindicate whether the following reactions are endergonic, requiring energy input, or exergonic, releasing energy: endergonic, exergonic Definition Word Photons from the Sun reach planet Earth Plants use sun energy to convert carbon dioxide into sugars Living organisms break down sugars into carbon dioxide and water Living organisms make ATP from ADP and phosphate Living organisms break down ATP into ADP and phosphate Living organisms use ATP to power metabolic function and other things such as muscle movementWhich of the following is a description of an example of the second law of thermodynamics? Some chemical energy in glucose transforms to chemical energy in ATP. O The kinetic energy of wind turns the blades of a wind turbine. The chemical energy in gasoline is transformed to kinetic energy to drive a car. The mechanical energy of flowing water turns a turbine. Some chemical energy in gasoline is transformed to heat while driving a car.
- Which of the following describe what enzymes such as Chymotrysin accomplish to allow products to form and be released by the enzyme active site? Group of answer choices catalyze chemical eactions that are thermodynamically unfavorable to occur establish a more stable transition state at a higher energy level to perform a catalysis reaction redce the chemical energy held within a chemical bond modify chemical structure of a substrate to "fit" within the active siteThe energy in organic molecules is released in a series of steps rather than a single step because: the amount of energy released would be too much to capture in one reaction. more total energy is released in multiple steps than would be released in a single step. less total energy is released in multiple steps than would be released in a single step. it is not possible to release it in a single step. only a single electron can be moved at a time in a cellular reaction. IncorrectDrag and drop the statements to the correct box: Enzymes DO: Decrease required activation energy Enzymes DON'T: Remain unchanged during the reaction Increase the reaction rate Energy Change the products made Activation energy (X+Y) reactants Change the reactants used Activation Energy A Activation energy (Y→X) products ΔΗ Reaction path Reaction without catalyst Reaction with catalyst Name two things we learned that can denature an enzyme:
- Here is a chemical reaction: H₂O2 -> O2 + H₂O What is/are the reactants? What is/are the products? H₂O2 is the product while O₂ and H₂O are reactants. There are no products or reactants as an enzyme is needed for the reaction to occur. There are no products or reactants as O2 and H₂O occur in the environment. O H₂O2 is the reactant while O₂ and H₂O are productsWhich of the following is/are TRUE of an enzyme? Enzymes lower the release of free energy Enzymes are not consumed in a reaction Not all enzymes are proteins Enzymes only affect endergonic reactions Enzymes only affect exergonic reactionsWhich of the following are effects of catalyst that cause an increase in the rate of reaction? (This is a multi-select question. Select all that apply). a decrease in DG‡. an increase in DG. an increase in temperature. an increase in the energy of the molecules/ions of reactant. an increase in the number of molecules/ions of reactant with enough energy to overcome the activation energy barrier.