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Photosynthesis and Cellular Respiration

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Termini in questo insieme (20)

  • What is photosynthesis?

    Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water, producing oxygen as a byproduct.

  • What is cellular respiration?

    Cellular respiration is the process by which cells convert glucose and oxygen into energy (ATP), carbon dioxide, and water.

  • What are the main reactants of photosynthesis?

    The main reactants are carbon dioxide (CO2) and water (H2O).

  • What are the main products of photosynthesis?

    The main products are glucose (C6H12O6) and oxygen (O2).

  • What are the main reactants of cellular respiration?

    The main reactants are glucose (C6H12O6) and oxygen (O2).

  • What are the main products of cellular respiration?

    The main products are ATP (energy), carbon dioxide (CO2), and water (H2O).

  • Write the overall balanced chemical equation for photosynthesis.

    \(6CO_2 + 6H_2O + light \rightarrow C_6H_{12}O_6 + 6O_2\)

  • Write the overall balanced chemical equation for cellular respiration.

    \(C_6H_{12}O_6 + 6O_2 \rightarrow 6CO_2 + 6H_2O + energy (ATP)\)

  • Where in the cell does photosynthesis occur?

    Photosynthesis occurs in the chloroplasts of plant cells.

  • Where in the cell does cellular respiration occur?

    Cellular respiration mainly occurs in the mitochondria of eukaryotic cells.

  • What is the role of chlorophyll in photosynthesis?

    Chlorophyll absorbs light energy, which drives the photosynthesis process.

  • What is ATP and why is it important?

    ATP (adenosine triphosphate) is the main energy currency of the cell, providing energy for cellular activities.

  • How are photosynthesis and cellular respiration related?

    They are complementary processes: photosynthesis stores energy in glucose, while cellular respiration releases energy from glucose.

  • What is the light-dependent reaction in photosynthesis?

    The light-dependent reaction uses light energy to produce ATP and NADPH and releases oxygen from water.

  • What is the light-independent reaction (Calvin cycle)?

    The Calvin cycle uses ATP and NADPH to convert CO2 into glucose.

  • What molecule is the final electron acceptor in cellular respiration?

    Oxygen (O2) is the final electron acceptor in the electron transport chain.

  • What are the three main stages of cellular respiration?

    Glycolysis, Krebs cycle (citric acid cycle), and electron transport chain.

  • Where does glycolysis occur?

    Glycolysis occurs in the cytoplasm of the cell.

  • What is the net ATP gain from glycolysis?

    The net gain is 2 ATP molecules per glucose molecule.

  • What is the purpose of the Krebs cycle?

    The Krebs cycle produces electron carriers NADH and FADH2 for the electron transport chain.