Multiple Choice
Which step of the influenza virus life cycle is inhibited by the antiviral drug Tamiflu?
3. Acids and Bases
Organic Chemistry Reactions
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Which of the following organic chemistry reactions is responsible for splitting H2O during the light reactions of photosynthesis?
A
Oxidation
B
Photolysis
C
Hydrolysis
D
Reduction
Verified step by step guidance1
Understand the context: The light reactions of photosynthesis occur in the thylakoid membranes of chloroplasts and involve the conversion of light energy into chemical energy.
Identify the process: During the light reactions, water (H2O) is split to release oxygen, protons, and electrons. This process is crucial for providing the electrons needed for the electron transport chain.
Define photolysis: Photolysis is the process by which light energy is used to break down molecules. In the context of photosynthesis, photolysis refers specifically to the splitting of water molecules.
Differentiate from other reactions: Oxidation involves the loss of electrons, reduction involves the gain of electrons, and hydrolysis involves the breaking of bonds using water. Photolysis, however, is specifically the light-driven splitting of water.
Conclude with the correct reaction: Given the options, photolysis is the reaction responsible for splitting H2O during the light reactions of photosynthesis, as it directly involves the use of light energy to break down water molecules.
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