Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Chapter 6.2, Problem 1CSC
Energy Unleashed
Marathoners rely on glycogen stored in their muscles and liver for much of the energy to power their run. Glycogen consists of long, branched chains of glucose molecules. When energy is needed, glucose molecules are cleaved from the chain and then broken down into carbon dioxide and water. This exergonic reaction generates the chemical energy in ATP that will power muscle contraction. The carbon dioxide is exhaled as the runners breathe rapidly to supply their muscles with adequate oxygen. The water generated by glucose breakdown (and a lot more that that runners drink during the race) is lost as cooing sweat.
The glucose molecules In muscle and other cells do not need to be ignited and do not literally bum as they are broken down, so how do cells provide activation energy and control the release of chemical energy to allow it to do work?
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(e.g 200 glucose x 36 ATP =7200 ATP)
1. If there is 1944 ATP produced, how many glucose molecules were broken down?
2. 20 glucose molecules were processed, how many net ATP molecules can be produced?
• A. In Glycolysis
• B. In Krebs Cycle:
• C. In Oxidative Phosphorylation:
• D. Total net ATP yield:
Need help
Oxygen is essential for energy flow in an aerobic cell. In complete sentences, describe the role of molecular oxygen (O2) in energy flow of aerobic respiration.
The sodium potassium pump...
Pumps 3 K's out for every 2Na's in
More than one of the choices are correct
Uses ATP to power its activity
All of the choices are correct
Pumps sodium and potassium down their gradients
Chapter 6 Solutions
Biology: Life on Earth with Physiology (11th Edition)
Ch. 6.1 - Energy Unleashed Much like a cars engine, the...Ch. 6.1 - What other changes would help reduce fossil fuel...Ch. 6.1 - define energy and work?Ch. 6.1 - Could one design a roller coaster that didnt use...Ch. 6.1 - define potential energy and kinetic energy and...Ch. 6.1 - State and explain the first and second laws of...Ch. 6.2 - Energy Unleashed Marathoners rely on glycogen...Ch. 6.2 - describe how energy is captured and released by...Ch. 6.2 - Is glucose breakdown endergonic or exergonic? What...Ch. 6.2 - explain exergonic and endergonic reactions and...
Ch. 6.2 - explain activation energy?Ch. 6.3 - name and describe two important energy-carrier...Ch. 6.3 - Prob. 1TCCh. 6.3 - explain coupled reactions?Ch. 6.4 - explain how catalysts reduce activation energy?Ch. 6.4 - You may have seen the almost magical glow of...Ch. 6.4 - Can an enzyme catalyst make an endergonic reaction...Ch. 6.4 - explain how enzymes function as biological...Ch. 6.5 - describe how cells regulate the rate at which...Ch. 6.5 - Health Watch Lack of an Enzyme Leads to Lactose...Ch. 6.5 - Prob. 1TCCh. 6.5 - explain how poisons, drugs, and environmental...Ch. 6 - While vacuuming, you show off by telling a friend...Ch. 6 - Prob. 1FIBCh. 6 - Which of the following is True? a. Enzymes...Ch. 6 - Prob. 1RQCh. 6 - Refute the following: According to evolutionary...Ch. 6 - Prob. 2FIBCh. 6 - Prob. 2MCCh. 6 - Prob. 2RQCh. 6 - Can a bear use all the energy contained in the...Ch. 6 - Prob. 3FIBCh. 6 - Prob. 3MCCh. 6 - Prob. 3RQCh. 6 - Prob. 4FIBCh. 6 - Prob. 4MCCh. 6 - Prob. 4RQCh. 6 - Prob. 5FIBCh. 6 - Prob. 5MCCh. 6 - Prob. 5RQCh. 6 - Prob. 6FIBCh. 6 - Prob. 6RQCh. 6 - Prob. 7RQ
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