Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 2, Problem 16SQ
Match the terms with their most suitable description.
| ____ | hydrophilic | a. protons > electrons |
| ____ | atomic number | b. number of protons in nucleus |
| ____ | hydrogen bonds | c. polar; dissolves easily in water |
| ____ | positive charge | d. collectively strong |
| ____ | negative charge | e. protons < electrons |
| ____ | temperature | f. measure of molecular motion |
| ____ | pH | g. water-dreading |
| ____ | covalent bond | h. electron sharing |
| ____ | hydrophobic | i. reflects H+ concentration |
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Match the terms with their most suitable description. ____ hydrophilic a. protons > electrons ____ atomic number b. number of protons in ____ hydrogen bonds nucleus ____ positive charge c. polar; dissolves easily in ____ negative charge water ____ temperature d. collectively strong ____ pH e. protons < electrons ____ covalent bond f. measure of molecular ____ hydrophobic motion g. water-dreading h. electron sharing i. reflects H+ concentration
Letter only, no need to explain.
1. These are molecules composed of hydrogen, carbon and oxygen, with no 2:1 ratio of hydrogen to oxygen.
A. Lipids
B. Carbohydrates
C. Proteins
D. Nucleic acids
2. The following statement are true about water EXCEPT:
A.Water is a polar substance.
B.Water will dissolve non-polar substances
C.Water forms hydration shells around certain ions
D.The capacity of water to dissolve many substances comes from its dipolar nature.
3. If a compound dissociates into H+ and a negative ion, it is a?
A. acid
B. base
C. salt
D. neutral compound
4. The following are components of a nucleotide EXCEPT:
A. Pentose sugar
B. Phosphate group
C. hydroxyl group
D. Nitrogen-containing base
5. The following can be dissolved in water EXCEPT:
A. Salts
B. Carbohydrates
C. Lipids
D. Hydrochloric acid
Chapter 2 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 2 - Mercury Emissions by Continent By weight, coal...Ch. 2 - Mercury Emissions by Continent By weight, coal...Ch. 2 - Mercury Emissions by Continent By weight, coal...Ch. 2 - Mercury Emissions by Continent By weight, coal...Ch. 2 - What atom has only one proton? a. hydrogen b. an...Ch. 2 - A molecule into which a radioisotope has been...Ch. 2 - Prob. 3SQCh. 2 - Prob. 4SQCh. 2 - All ions have at least one ________ (select all...Ch. 2 - Rank the following chemical bonds in order of...
Ch. 2 - The measure of an atoms ability to pull electrons...Ch. 2 - The mutual attraction of opposite charges holds...Ch. 2 - Atoms share electrons unequally in a(n) ________...Ch. 2 - A(n) ________ substance repels water. a. acidic b....Ch. 2 - Prob. 11SQCh. 2 - Prob. 12SQCh. 2 - When dissolved in water, a(n) ________ donates H+;...Ch. 2 - A ________ can help keep the pH of a solution...Ch. 2 - Prob. 15SQCh. 2 - Match the terms with their most suitable...Ch. 2 - Alchemists were medieval scholars and philosophers...Ch. 2 - Draw a shell model of a lithium atom (Li), which...Ch. 2 - Polonium is a rare element with 33 radioisotopes....Ch. 2 - Some undiluted acids are not as corrosive as when...
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