Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 8.1, Problem 2C
Summary Introduction
To explain: The specific role of oxygen in most cells.
Concept introduction:
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On the very first page of this tutorial, we talked about the circulatory and respiratory systems being related. Now we're going to combine these into one process. Instead of
following oxygen going into the body, we are going to trace the route that carbon dioxide takes on its way out of the body. The carbon dioxide is produced in the cell during
cellular respiration. Starting at the organelle where this process takes place, find the route a molecule takes from the cell to the heart.
right atrium
vena cava
3
| interstitial fluid
cytoplasm of cell
5
| right ventricle
6
vein
7
| capillary
8
E mitochondria
::::
4.
Explain why cells of most multicellular organisms cannot live long without oxygen.
It is essential for the cells in plants and animals to have an adequate supply of oxygen. Explain what the oxygen is needed for in the cells? (Be as specific as possible.)
Chapter 8 Solutions
Biology (MindTap Course List)
Ch. 8.1 - Write a summary reaction for aerobic respiration...Ch. 8.1 - Prob. 1CCh. 8.1 - Prob. 2CCh. 8.2 - Prob. 2LOCh. 8.2 - Prob. 3LOCh. 8.2 - Add up the energy captured (as ATP, NADH, and...Ch. 8.2 - Prob. 5LOCh. 8.2 - Prob. 6LOCh. 8.2 - Prob. 1CCh. 8.2 - Prob. 2C
Ch. 8.2 - What are the roles of NAD+, FAD, and oxygen in...Ch. 8.2 - Prob. 4CCh. 8.3 - Summarize how the products of protein and lipid...Ch. 8.3 - Prob. 1CCh. 8.3 - Prob. 2CCh. 8.3 - Prob. 3CCh. 8.4 - Compare and contrast anaerobic respiration and...Ch. 8.4 - What is the fate of hydrogen atoms removed from...Ch. 8.4 - What accounts for the ATP yield of fermentation...Ch. 8.4 - Is chemiosmosis involved in fermentation? in...Ch. 8 - A chemical process during which a substance gains...Ch. 8 - The reactions of _____ take place within the...Ch. 8 - Before pyruvate enters the citric acid cycle, it...Ch. 8 - In the first step of the citric acid cycle, an...Ch. 8 - Which of the following is the major source of...Ch. 8 - The aerobic part of aerobic cellular respiration...Ch. 8 - Prob. 7TYUCh. 8 - A net profit of only 2 ATPs can be produced...Ch. 8 - When deprived of oxygen, yeast cells obtain energy...Ch. 8 - Which of the following is a correct ranking of...Ch. 8 - Prob. 11TYUCh. 8 - CONNECT Explain why the proton gradient formed...Ch. 8 - CONNECT How are the endergonic reactions of the...Ch. 8 - PREDICT Could the inner mitochondrial membrane...Ch. 8 - Prob. 15TYUCh. 8 - Prob. 16TYUCh. 8 - EVOLUTION LINK The reactions of glycolysis are...Ch. 8 - Prob. 18TYU
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- a) At the organelle/molecular level inside a mitochondrion, wWhy do cells engaged in aerobic cellular respiration need O2? At what points during aerobic cellular resp is CO2 released? b) O2 and CO2 do not dissolve in water easily but cells must be moist to have functional phospholipid bilayers. For air breathers, moist lungs might collapse and stick together so what prevents this? c) Aquatic animals contend with the relatively lower O2 levels in water, but at least they don’t have to deal with ventilating lung. Complex gills like in fish maximize O2 exchange with a counter-current system ensuring there is always a gradient between the water and the blood. How does this ensure there is always a gradient between the water and the blood? (many people mix this up so think carefully)arrow_forwardWhat is the specific role of oxygen in most cells?arrow_forwardDoes cellular respiration occur in the cytoplasm or in the mitochondria? Explain and answer in digital formatMake schematics and diagramsarrow_forward
- Pretend that you are a molecule of oxygen (O2 ). Describe the trip you will take as you are inhaled. What happens to you in the lungs, and in the blood. When you are in the cell, what role will you play in the process of cellular respiration?arrow_forwardWhich is NOT a characteristic of mitochondria? They: A) have two membranes. B) are the site of cellular aerobic respiration. C) have a true nucleus. D) contain their own DNA and ribosomes. E) the material inside their inner membrane (the cellular matrix) is their own cytoplasm.arrow_forwardOn a cellular/molecular level why is oxygen needed for survival?arrow_forward
- Compare the function and structure of mitochondria and chloroplast in detailarrow_forwardDescribe two common characteristics of chloroplasts and mitochondria. Consider both function and membrane structure.arrow_forwardWhat does the following figure represent? The last steps of anaerobic cellular respiration. b) Oxidative phosphorylation. c) The electron transport chain (ETC) only. d) Chemiosmosis only. e) The light reactions of photosynthesis.arrow_forward
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