CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
10th Edition
ISBN: 9780136538820
Author: Taylor
Publisher: INTER PEAR
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Textbook Question
Chapter 2, Problem 17TYK
This chapter explains how the emergent properties of water contribute to the suitability of the environment for life. Until fairly recently, scientists assumed that other physical requirements for life included a moderate range of temperature, pH, and atmospheric pressure. That view has changed with the discovery of organisms known as extremophiles, which have been found flourishing in hot, acidic sulfur springs and around hydrothermal vents deep in the ocean. What does the existence of life in such environments say about the possibility of life on other planets?
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What is the significance of water and its solutions to all living systems, and why is it important to understand the properties that allow water to support life?
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Chapter 2 Solutions
CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
Ch. 2 - Fill in the blanks in this concept map to help you...Ch. 2 - Create a concept map to organize your...Ch. 2 - Changing the _____ would change it into an atom of...Ch. 2 - What is chemically nonsensical about this...Ch. 2 - A solution at pH 6 contains _____H+ than the same...Ch. 2 - Most of the unique properties of water result from...Ch. 2 - A can of cola consists mostly of sugar dissolved...Ch. 2 - Prob. 8TYKCh. 2 - In what way does the need for iodine or iron in...Ch. 2 - Use carbon-12, the most common isotope of carbon,...
Ch. 2 - In terms of electron sharing between atoms,...Ch. 2 - The diagram below shows the arrangement of...Ch. 2 - Prob. 13TYKCh. 2 - What do you think the effect on the properties of...Ch. 2 - SCIENTIFIC THINKING A recent experimental study...Ch. 2 - In agricultural areas, farmers pay close attention...Ch. 2 - This chapter explains how the emergent properties...
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- Define and differentiate the following terms: a.Halophilic , b.Capnophilic, and c.Microaerophilicarrow_forwardWhat is the range of salinities over which Halobacterium NRC-1 is able to survive? Why specifically does Halobacterium NRC-1 not survive at higher or lower salt concentrations? My answer The range in which Halobacterium NRC-1 would able to survive is between 234 ppt and 400 ppt. Halobacterium NRC-1 does not survive in lower salt concentrations because......arrow_forwardThe lipid shown here is produced by certain microorganisms that live in extremely warm environments, such as hot springs. Assuming that this lipid makes up a portion of the organism’s membrane lipids, would the organisms produce more of this lipid or less of this lipid as the temperature increased from 45°C to 65°C?arrow_forward
- Most living organisms cannot survive at temperature above 450C. How are some microbes able to live in habitats with temperatures exceeding 1000C?arrow_forwardDescribe what happens to a non-halophile bacteria in food when the water activity is changed from 0.9 to 0.88 based on the effects of low water activity. " Describe how the relationship between temperature and relative humidity influence or hinders microbial growth in spicesarrow_forwardWhat characteristics of a water molecule make it polar? Give two examples of why this property is important in microbiology.arrow_forward
- Phospholipids will spontaneously form bubbles of bi-layer when put into water. Why do they do this? Why is this shape particularly energetically favorable?arrow_forwardWhy not all ergastic substances are metabolically inert?arrow_forwardDiscuss the possibility of life on Mars. Will extremophiles prove useful? Can you explain the upper-temperature limit to life unrelated to the stability of proteins or nucleic acids? How influential is microbial activity on the geological processes of mineral formation and deposition compared to biological processes? Can you argue both sides? What are the challenges and advantages of the use of extremeophiles in industrial or bioremediation applications?arrow_forward
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