Green plants release oxygen into the atmosphere during

Question

BlackTom AI · Accepted Answer

Consider what processes in green plants release oxygen into the atmosphere.
Option 1: photosynthetic light reactions. This step of photosynthesis uses light energy to split water molecules, releasing O2 as a byproduct. It is the primary source of atmospheric oxygen on Earth, so this statement is accurate.
Option 2: fermentation. Fermentation occurs under anaerobic conditions and does not produce oxygen; it converts sugars to other substances like ethanol or lactic acid, but no O2 is released. Therefore, this is incorrect.
Option 3: glycolysis. Glycolysis breaks down glucose into pyruvate in the cytoplasm and does not involve oxygen directly. It does not release oxygen gas, so this choice is not correct in the context of O2 release.
Option 4: cellular respiration. Cellular respiration consumes oxygen to help break down glucose for energy, rather than releasing it. Thus, this option describes the use of O2, not its release, making it incorrect.

BIOL 1009 (001-006/050-055) Midterm Exam II

Green plants release oxygen into the atmosphere during

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BIOL 1009 (001-006/050-055) Midterm Exam II

Green plants release oxygen into the atmosphere during

View Explanation

Log in for full answers

Similar Questions

Which of the following are products of the light reactions of photosynthesis that are utilized in the Calvin cycle?

During the light reactions of photosynthesis ______ is oxidized and ______ is reduced.

NADPH is generated during the ________ reactions, only through _____ electron flow.

Order the flow of electrons in the light-dependent reactions of photosynthesis. 1: Splitting of water 2: Photons + Photosystem II 3: Photons + Photosystem I 4: Cytochrome b6-f complex 5: NADP Reductase

What are the 2 main products of the light reactions? (Choose ONE correct answer)

During the light reactions, a water molecule is split, supplying the missing electrons in PSI and PSII. (True or False)

Where does the light reactions occur? (Choose ONE correct answers)

More Practical Tools for Students Powered by AI Study Helper

Making Your Study Simpler

During the light reactions of photosynthesis is oxidized and is reduced.

NADPH is generated during the ____ reactions, only through _ electron flow.