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Life ScienceGrade 7-9

Photosynthesis and Respiration Answer Key

Compare photosynthesis and cellular respiration and see how they are opposite processes.

Looking for Photosynthesis and Respiration answers? This complete answer key provides verified solutions for all student exploration activities and assessment questions in the ExploreLearning Photosynthesis and Respiration Gizmo.

100% Free • Step-by-step explanations • Perfect for homework help • Covers all activities • Updated for 2026

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The Two Processes

Q1.What's the equation for cellular respiration?

Answer

C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + energy (ATP).

Q2.How are photosynthesis and respiration opposite?

Answer

Photosynthesis uses CO₂ and water to make glucose and oxygen. Respiration uses glucose and oxygen to make CO₂ and water.

Q3.Where does cellular respiration happen?

Answer

In the mitochondria of all living cells.

Energy Flow

Q4.What is ATP?

Q5.Do plants do cellular respiration?

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