PowerPoint Lectures Campbell Biology: Concepts & Connections, Eighth Edition REECE TAYLOR SIMON DICKEY HOGAN Chapter 6 Lecture by Edward J. Zalisko How Cells Harvest Chemical Energy © 2015 Pearson Education, Inc. C ELLULAR R ESPIRATION: A EROBIC H ARVESTING OF E NERGY C ELLULAR R ESPIRATION: A EROBIC H ARVESTING OF E NERGY 6.1 Photosynthesis and cellular respiration provide energy for life Life requires energy. In almost all ecosystems, energy ultimately comes from the sun. In photosynthesis, some of the energy in sunlight is captured by chloroplasts, atoms of carbon dioxide and water are rearranged, and sugar and oxygen are produced.
Biology Concepts And Connections 6th Edition Chapter 6 Powerpoint© 2015 Pearson Education, Inc. 6.1 Photosynthesis and cellular respiration provide energy for life In cellular respiration, sugar is broken down to carbon dioxide and water and the cell captures some of the released energy to make ATP. Biology Concepts And Connections 6th Edition Chapter 6BibMe Free Bibliography & Citation Maker - MLA, APA, Chicago, Harvard. Aristotle, whose name means 'the best purpose', was born in 384 BC in Stagira, Chalcidice, about 55 km (34 miles) east of modern-day Thessaloniki. Read chapter 3 Aquatic and Related Terrestrial Ecosystems: Nutrient recycling, habitat for plants and animals, flood control, and water supply are among t. Cellular respiration takes place in the mitochondria of eukaryotic cells. In these energy conversions, some energy is lost as heat. Biology Concepts And Connections 6th Edition Chapter 6 Test© 2015 Pearson Education, Inc. Figure 6.1 Sunlight energy E COSYSTEM Photosynthesis in chloroplasts Organic molecules Cellular respiration in mitochondria ATP powers most cellular work Heat energy CO 2 + H 2 O + O 2 ATP 6.2 Breathing supplies O 2 for use in cellular respiration and removes CO 2 Respiration, as it relates to breathing, and cellular respiration are not the same. Respiration, in the breathing sense, refers to an exchange of gases. Usually an organism brings in oxygen from the environment and releases waste CO 2. Cellular respiration is the aerobic (oxygen-requiring) harvesting of energy from food molecules by cells. © 2015 Pearson Education, Inc.
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