Life: The Science of Biology
11th Edition
ISBN: 9781319010164
Author: David E. Sadava, David M. Hillis, H. Craig Heller, Sally D. Hacker
Publisher: W. H. Freeman
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Chapter 10.1, Problem 1R
Summary Introduction
To review:
The relationship between the light and the light-independent reactions of photosynthesis.
Introduction:
Photosynthesis is a physiological process that includes the conversion of the light energy into the chemical energy, which occurs in plants and some other organisms. This energy is required by the plants and organisms for their
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Life: The Science of Biology
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- What is the overall purpose of the light reactions in photosynthesis?arrow_forwardMelvin Calvin and Andrew Benson determined the steps in the light-independent reactions of photosynthesis by exposing the green alga Chlorella to CO2 labeled with the radioisotope carbon 14. By looking at which compounds the C14 ended up in, they were able to identify all intermediates in this cyclic pathway. Why did they predict correctly that the same set of intermediates would be formed in the light reaction in land plants?arrow_forwardWhy does darkness affect the light independent reactions of photosynthesis?arrow_forward
- What are the fates of the products of the light dependent reaction of photosynthesis?arrow_forwardWhat are the products of the light-dependent reactions of photosynthesis? 1) production of ATP, oxygen, and NADPH O 2) production of ATP, water, and NADH 3) regeneration of NAD+ O 4) Production of G3P and ATP O 5) production of oxygen and NAD+arrow_forwardWhich photosystem is involved in cyclic photophosphorylation?arrow_forward
- What is the overall outcome of the light reactions in photosynthesis? NADPH and ATP molecules are produced during the light reactions and are used to power the light independent reactions. NADPH and ATP molecules are produced during the light reactions, which are used to power the light dependent reactions. Sugar and ATP are produced during the light reactions, which are used to power the light independent reactions. Carbon dioxide and NADPH are produced during the light reactions, which are used to power the light dependent reactions.arrow_forwardwhat Are photosystems enzymes?arrow_forwardwhat is the process called that provides the energy to pump protons during the light dependent reactions of photosynthesis? which direction are protons pumped?arrow_forward
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