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The energy released by the chain reaction is transformed into heat
发布时间:
2024-06-23 18:29:12
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相关试题
1.
The energy released by the chain reaction is __ into heat. 选项: A: transformed B: reduced C: expanded D: frozen
2.
(单选题)The energy ________ by the chain reaction is transformed into heat. 选项: A、transferred B、released C、delivered D、conveyed
3.
The mechanism of enzymatic reaction is ( )选项: A:reduce the activation energy of the reaction B:reduce the free energy of the reaction C:increase the free energy of the reaction D:Increase the heat energy of the substrate E:decrease the heat energy of the product
4.
The mechanism of enzymatic reaction is ( )选项: A:increase the free energy of the reaction B:reduce the free energy of the reaction C:decrease the heat energy of the product D:Increase the heat energy of the substrate E:reduce the activation energy of the reaction
5.
Which of the following descriptions about energy metabolism are incorrect选项: A:All the reactions that constitute catabolism are energetic reactions; B:All the reactions that constitute anabolism are energy-consuming reactions; C:Some of the energy released by the breakdown of a substance in a cell is always converted into heat; D:Enzymes can make a energy-consuming reaction into an energetic one
6.
The heat used to maintain body temperature comes from the chemical energy released by nutrients in the body's metabolism, most of which are used to maintain body temperature in the form of heat energy.选项: A:正确; B:错误
7.
The energy released by the passage of electrons along the respiratory chain is stored as an___________ across the inner mitochondrial membrane.?
8.
The process of photosynthesis can be considered as a series of reactions in which light energy from the sun is( ) 选项: A、transformed into chemical energy B、not transformed in the plant C、transformed into kinetic energy D、transformed into potential energy E、transformed by electrons into electric energy
9.
Heat energy may be absorbed or released when while work is done on or by the system. 选项: A: changes in the internal energy of a system B: by changing the internal energy of a system C: the internal energy of a system that changes D: the internal energy of a system changes
10.
Energy released by the electron transport chain is used to pump H ions into which location?? Mitochondrial matrixCytosolMitochondrial inner membraneMitochondrial intermembrane space
11.
In a chemical reaction, molecules maybe have the following 3 changes: (1) molecules attaching to each other to formlarger molecules.(2) A Molecule breaking apart to form two or more smaller molecules.(3) Rearrangements of atoms within molecules.Chemical reactions often involve changes in energy due to thebreaking and formation of bonds. Reactions in which energy is released are exothermic reactions, while those that take in heat energy are endothermic.
12.
中国大学MOOC: The energy released by the passage of electrons along the respiratory chain is stored as an___________ across the inner mitochondrial membrane.
13.
The fire extinguishing action of CO,comes mostly from ___. 选项:A、 breuking the fire chemical chain reaction B、 smothering C、cooling D、 isolating the heat from the fuel
14.
_________ is a machine by which electrical energy is transformed into mechanical energy.
15.
Energy gained from the enzymatic breakdown of substances is transformed into: 选项: A:chemical energy B:mechanical energy C:electricity D:osmotic energy E:light energy
16.
Which of the underline expressions is the hedging of the following sentences.For our present purpose, it is useful to distinguish two kinds of chemical reaction, according to whether the reaction releases energy or requires it.选项: A:For our present purpose, it is useful to distinguish two kinds of chemical reaction, according to whether the reaction releases energy or requires it.; B:For our present purpose, it is useful to distinguish two kinds of chemical reaction, according to whether the reaction releases energy or requires it.; C:For our present purpose, it is useful to distinguish two kinds of chemical reaction, according to whether the reaction releases energy or requires it.; D:For our present purpose, it is useful to distinguish two kinds of chemical reaction, according to whether the reaction releases energy or requires it.
17.
The heat released by any reactions is called enthalpy.
18.
polymerase chain reaction (PCR)
19.
A chemical reaction is defined as spontaneous if there is a net loss of free energy during the reaction process. However, spontaneous reactions do not always occur rapidly. Favorable biological reactions require ______________ to selectively speed up reactions and meet the demands of the cell. 选项: A、heat B、ATP C、ions D、enzymes
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