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Biology: The Unity and Diversity o...

14th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781305073951

Solutions

Chapter
Section
BuyFindarrow_forward

Biology: The Unity and Diversity o...

14th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781305073951
Chapter 6, Problem 9SQ
Textbook Problem
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The atoms in the molecular oxygen released during photosynthesis come from __________ molecules.

  • a. glucose
  • b. CO2
  • c. water
  • d. O2

Summary Introduction

Introduction:

Photosynthesis is a metabolic process, in which plants convert light energy into chemical energy. During the process of photosynthesis, sunlight is used by the cell to convert carbon dioxide and water into glucose and oxygen.

Explanation of Solution

Reasons for the correct answer:

In plants, the light-dependent reactions are driven out by molecules embedded in a thylakoid membrane to produce organic energy molecules like ATP and NADPH.

Option c. is given as “water”. During the light-dependent reaction of photosynthesis, water splits to release oxygen. Hence, option c. is correct answer.

Reasons for the incorrect answers:

Option a. is given as “glucose”. Glucose molecules are a byproduct of photosynthesis...

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