Lab: Diffusion Across a Semi-permeable Membrane

Question 1

What did you include in your response?

Revolt · Accepted Answer

Photosynthesis occurs in the chloroplasts.; Chloroplasts capture light energy.; Thylakoids can be found inside chloroplasts, where light-dependent reactions occur.; Chlorophyll is found in the thylakoids.; Chlorophyll absorbs light energy.; Chlorophyll is what makes plants look green.

Question 2

What happens when light energy excites electrons in photosystem II?

Revolt · Accepted Answer

Electrons are released into the electron transport system.

Question 3

Where does the electron-acceptor molecule transfer electrons?

Revolt · Accepted Answer

photosystem I

Question 4

What did you include in your response?

Revolt · Accepted Answer

Joseph Priestly observed that a candle alone in a jar did not stay lit for long.; Priestly observed that adding a plant to the jar caused the candle to stay lit longer.; Priestly inferred that plants give off oxygen during photosynthesis, providing the oxygen needed for the candle to burn.; Priestly inferred that the burning candle gave off carbon dioxide, which was used by the plant.

Lab: Diffusion Across a Semi-permeable Membrane Answers

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