Biology: Concepts and Investment (Comprehensive Instructor's)
4th Edition
ISBN: 9781259869655
Author: Hoefnagels
Publisher: MCG
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Chapter 2, Problem 7WIO
Summary Introduction
To draw:
A diagram showing the interactions among a few water molecules.
Introduction:
Water is a universal solvent that dissolves more substances than any other common liquid. Water dissociates into anions and cations and water has a polarity that has positive and negative ends.
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Draw a hydrogen bond between two water molecules.
Using appropriate examples, explain how hydrogen bonding givesrise to three properties of water that are essential to life.
Describe the properties of water, and explain why it is so important in biological systems.
Chapter 2 Solutions
Biology: Concepts and Investment (Comprehensive Instructor's)
Ch. 2.1 - Which four elements do organisms require in the...Ch. 2.1 - Where in an atom are protons, neutrons, and...Ch. 2.1 - What does an elements atomic number indicate?Ch. 2.1 - What is the relationship between the mass of 12C...Ch. 2.1 - Prob. 5MCCh. 2.2 - How are atoms, molecules, and compounds related?Ch. 2.2 - Prob. 2MCCh. 2.2 - Explain how electronegativity differences between...Ch. 2.3 - Prob. 1MCCh. 2.3 - Distinguish between a solute and a solvent and...
Ch. 2.3 - Prob. 3MCCh. 2.3 - Prob. 4MCCh. 2.3 - Prob. 5MCCh. 2.3 - Prob. 6MCCh. 2.4 - How do acids and bases affect a solution's H'...Ch. 2.4 - Prob. 2MCCh. 2.4 - How do buffers regulate the pH of a fluid?Ch. 2.5 - Prob. 1MCCh. 2.5 - Prob. 2MCCh. 2.5 - List examples of carbohydrates, proteins, nucleic...Ch. 2.5 - What is the significance of a protein's shape, and...Ch. 2.5 - What are some differences between RNA and DNA?Ch. 2.5 - Prob. 6MCCh. 2.6 - Prob. 1MCCh. 2.6 - Prob. 2MCCh. 2 - A hydrogen ion (H+) has...Ch. 2 - Prob. 2MCQCh. 2 - Prob. 3MCQCh. 2 - Prob. 4MCQCh. 2 - Prob. 5MCQCh. 2 - Prob. 6MCQCh. 2 - The vitamin biotin contains 10 atoms of carbon, 16...Ch. 2 - Distinguish between nonpolar covalent bonds, polar...Ch. 2 - Prob. 3WIOCh. 2 - Prob. 4WIOCh. 2 - Define solute, solvent, and solution.Ch. 2 - Give an example from everyday life of each of the...Ch. 2 - Prob. 7WIOCh. 2 - How do hydrogen ions relate to the pH scale?Ch. 2 - Sketch a monosaccharide, an amino acid, a...Ch. 2 - Prob. 10WIOCh. 2 - You eat a sandwich made of starchy bread, ham, and...Ch. 2 - Prob. 1PITCh. 2 - Prob. 2PITCh. 2 - Besides water, what other molecules are essential...Ch. 2 - 4. Add monomers, polymers, dehydration synthesis,...
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- describe how water's ability to function as a versatile solvent arises from the structure of water molecules.arrow_forwardIn terms of electron sharing between atoms, compare nonpolarcovalent bonds, polar covalent bonds, and the formation of ions.arrow_forwardWhich kind of bond holds atoms in a water molecule together? What attracts water molecules to each other?arrow_forward
- Explain how hydrogen bonds between adjacent water molecules govern many of the properties of water.arrow_forwardPredict whether a solution has a high or low concentration of free hydrogen ions by using its pH number.arrow_forwardExplain the each of the following properties making water important to lifearrow_forward
- Explain in detail why water molecules are polar. Your explanation can be as long as you wish. Your answer must be in your own words. Your answer must include the following terms: Polar, polar covalent bonds, electronegativity, oxygen, hydrogen, partial positive, partial negartive, electrons.arrow_forwardcompare and contrast the emergent properties of waterarrow_forwardExplain the role of hydrogen bonds in the properties ofwater.arrow_forward
- explain the chemical reaction that occurs water molecules dissociate and reform. why is these chemical reactions the basis of the pH scale?arrow_forwardList down 5 chemical properties of water that makes it an indispensable compound for life. Select one property and explain in your own words its importance. a. ________________b. ________________c. ________________d. ________________e. ________________arrow_forwardWater molecules have one oxygen atom that is more electronegative than the two hydrogen atoms bound to it. As a result, which type of bonding hold water molecules together a. non-popular covalent bonding b. polar covalent bonding c.ionic bonding d.hydriohocicarrow_forward
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