All of the following are modes of action of antiviral drugs except A. inhibition of adherence to a cell. B. inhibition of DNA synthesis. C. inhibition of RNA synthesis. D. inhibition of uncoating. E. All of the above are modes of action of antiviral drugs.

a. the production of carbon dioxide through the process of photosynthesis

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a. to encourage apoptosis

before, trains worked using the steam engine. thus, it uses heat so it is crucial to apply heat balance. the steam engine absorbs energy during the stage of boiling water. so, this is the endothermic reaction. when the steam is used to work the piston, it has to release this energy through running the train. the excess energy is released as an exhaust to the chimney. this is the exothermic process because it releases energy to the surroundings.