Multiple Choice
In the second phase of photosynthesis, known as the Calvin cycle, what is the primary process that occurs?
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Intro to Organic Chemistry
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
In the process of photosynthesis, which two substances are produced that are essential to most of Earth's organisms?
A
Nitrogen and methane
B
Carbon dioxide and water
C
Sulfur dioxide and ammonia
D
Oxygen and glucose
Verified step by step guidance1
Understand the process of photosynthesis: Photosynthesis is a process used by plants, algae, and some bacteria to convert light energy, usually from the sun, into chemical energy stored in glucose.
Identify the reactants in photosynthesis: The main reactants are carbon dioxide (CO₂) and water (H₂O), which are converted into glucose and oxygen using sunlight.
Write the balanced chemical equation for photosynthesis: The general equation is 6CO₂ + 6H₂O + light energy → C₆H₁₂O₆ + 6O₂.
Recognize the products of photosynthesis: From the balanced equation, the products are glucose (C₆H₁₂O₆) and oxygen (O₂).
Conclude that the substances produced by photosynthesis that are essential to most of Earth's organisms are oxygen and glucose, as they provide energy and oxygen for respiration.
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