ch08_lecture-How Cells Release Stored Energy

ch08_lecture-How Cells Release Stored Energy - How Cells...

Info iconThis preview shows pages 1–10. Sign up to view the full content.

View Full Document Right Arrow Icon
How Cells Release Stored Energy Chapter 8
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Descendents of African honeybees that were imported to Brazil in the 1950s More aggressive, wider-ranging than other honeybees Africanized bee’s muscle cells have large mitochondria “Killer” Bees
Background image of page 2
Photosynthesizers get energy from the sun Animals get energy second- or third- hand from plants or other organisms Regardless, the energy is converted to the chemical bond energy of ATP ATP Is Universal Energy Source
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Making ATP Plants make ATP during photosynthesis Cells of all organisms make ATP by breaking down carbohydrates, fats, and protein
Background image of page 4
Main Types of Energy-Releasing Pathways Aerobic pathways Evolved later Require oxygen Start with glycolysis in cytoplasm Completed in mitochondria Anaerobic pathways Evolved first Don’t require oxygen Start with glycolysis in cytoplasm Completed in cytoplasm
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Summary Equation for Aerobic Respiration C 6 H 12 0 6 + 6O 2 6CO 2 + 6H 2 0 glucose oxygen carbon water dioxide
Background image of page 6
Overview of Aerobic Respiration CYTOPLASM Glycolysis Electron Transfer Phosphorylation Krebs Cycle ATP ATP 2 CO 2 4 CO 2 2 32 water 2 NADH 8 NADH 2 FADH 2 2 NADH 2 pyruvate e - + H + e - + oxygen (2 ATP net) glucose Typical Energy Yield: 36 ATP e - e - + H + e - + H + ATP H + e - + H + ATP 2 4 Figure 8.3 Page 135
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
The Role of Coenzymes NAD + and FAD accept electrons and hydrogen • Become NADH and FADH 2 Deliver electrons and hydrogen to the electron transfer chain
Background image of page 8
A simple sugar (C 6 H 12 O 6 ) Atoms held together by covalent bonds Glucose In-text figure Page 136
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 10
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 34

ch08_lecture-How Cells Release Stored Energy - How Cells...

This preview shows document pages 1 - 10. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online