Multiple Choice
Which of the following enzymes is used in the polymerase chain reaction (PCR)?
3. Acids and Bases
Organic Chemistry Reactions
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Which of the following are the primary products of the light-dependent reactions of photosynthesis?
A
ATP and NADPH
B
Glucose and Oxygen
C
Carbon Dioxide and Water
D
Pyruvate and Acetyl-CoA
Verified step by step guidance1
Understand the context: The light-dependent reactions of photosynthesis occur in the thylakoid membranes of chloroplasts and are crucial for converting light energy into chemical energy.
Identify the main purpose: These reactions aim to produce energy-rich molecules that will be used in the Calvin cycle (light-independent reactions) to synthesize glucose.
Recognize the key products: The primary products of the light-dependent reactions are ATP (adenosine triphosphate) and NADPH (nicotinamide adenine dinucleotide phosphate), which provide energy and reducing power, respectively.
Eliminate incorrect options: Glucose and oxygen are products of the overall photosynthesis process, not specifically the light-dependent reactions. Carbon dioxide and water are reactants, and pyruvate and acetyl-CoA are involved in cellular respiration, not photosynthesis.
Conclude with the correct answer: Based on the understanding of the light-dependent reactions, the primary products are ATP and NADPH.
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