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Accidental discovery may hint at answer to a chicken-or-egg question on evolution

Summary by Phys.org
For biochemists, it's the which-came-first question: oxygen production by photosynthesis or oxygen consumption by aerobic metabolism?

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Phys.orgPhys.org

Accidental discovery may hint at answer to a chicken-or-egg question on evolution

For biochemists, it's the which-came-first question: oxygen production by photosynthesis or oxygen consumption by aerobic metabolism?

·United Kingdom
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Harvard UniversityHarvard University

Hinting at answer to a chicken-or-egg question on evolution — Harvard Gazette

Science & Tech Hinting at answer to a chicken-or-egg question on evolution Felix Elling, a former postdoctoral fellow at Harvard and lead author of the study.Courtesy of Felix Elling Clea Simon Harvard Correspondent February 24, 2025 4 min read Accidental find may help scientists resolve which evolved first: ability to produce oxygen by photosynthesis or consume it by aerobic metabolism For biochem…

·Harvard, United States
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Knowridge Science ReportKnowridge Science Report

Scientists accidentally discover a clue to evolution’s chicken-or-egg mystery

For biochemists, one big question has always been: which came first—oxygen-producing photosynthesis or oxygen-using metabolism? A recent accidental discovery may hold the answer. Photosynthesis is the process plants and algae use to turn sunlight, water, and carbon dioxide into energy, releasing oxygen as a byproduct. Animals, in contrast, use oxygen to convert food into energy […] The post Scientists accidentally discover a clue to evolution’s …

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Tech and Science PostTech and Science Post

Accidental discovery may hint at answer to a chicken-or-egg question on evolution - Tech and Science Post

For biochemists, it’s the which-came-first question: oxygen production by photosynthesis or oxygen consumption by aerobic metabolism? In photosynthesis, algae and plants take in sunlight to turn carbon dioxide and water into fuel for growth, releasing oxygen as a byproduct. Animals, on the other hand, use oxygen to convert the fuel they consume into energy and emit carbon dioxide, a process called aerobic metabolism. So which came first? A new p…

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Harvard University broke the news in Harvard, United States on Monday, February 24, 2025.
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