This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: Handout for CHAPTER 7 - Photosynthesis Cycle involving 2 important coupled reactions 2 important Coupled Reactions 1 Exergonic and 1 endergonic-they pair up and produce a cycle Photosynthesis (ender) 6CO2+ 6H2O+ LIGHT ENERGY C6H1206+O2 The number of atoms you start with is the number you end with Cellular respiration (exer) C6h1206+02 6co2 +6h20 +energy (to produce ATP and as heat) Overall summary of photosynthesis (PS) and respiration reactions Photosynthesis-uses energy from the sun (plus weater and co2) to make glucose Respiration- breakdown of glucose (to water and co2) which releases energy used to make ATP Energy in sunlight Energy out-- ATP Glucose- middle man Why use glucose at all? Why use a middle man at all? Why not use energy form the sun to make ATP directly? More efficient, less loss of energy as heat. This strategy never evolved, it doesnt exist....
View Full Document
This note was uploaded on 03/27/2011 for the course BIO 1410 taught by Professor Rast during the Fall '10 term at Texas State.
- Fall '10