Biology: Concepts and Investigations
Biology: Concepts and Investigations
4th Edition
ISBN: 9780078024207
Author: Mariëlle Hoefnagels Dr.
Publisher: McGraw-Hill Education
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Chapter 5, Problem 7WIO
Summary Introduction

To determine:

Where would the 18O have ended up if researchers had used 18O -labeled CO2 instead of H2O .

Concept introduction:

The hypothetical explanation given by earlier scientists regarding the mechanism of photosynthesis states that oxygen is derived from the carbon dioxide. The remaining carbon atom is added to the water molecule to form glucose. This explanation was challenged by a scientist Van Niel who states that the water splits, and oxygen is released, followed by remaining hydrogen atom combines with carbon dioxide to form glucose.

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Biology: Concepts and Investigations

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Photosynthesis & Respiration | Reactions | Chemistry | FuseSchool; Author: FuseSchool - Global Education;https://www.youtube.com/watch?v=3XIyweZg6Sw;License: Standard YouTube License, CC-BY