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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Textbook Question
Chapter 2, Problem 8TYU
Test Your Understanding
Know and Comprehend
8. Water has a high specific heat because (a) hydrogen bonds must be broken to raise its temperature (b) hydrogen bonds must be formed to raise its temperature (c) it is a poor insulator (d) it has low density considering the size of the molecule (e) it can ionize
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2.3 INSTRUCTIONS:
- Do not copy answers from Google or Bartleby. A plagiarism checker will be used.
- Answer all questions as because they are connected.
QUESTION:
Why are fats and waxes solid at room temperature, whereas oils are liquids? EXPLAIN.
With your answer to that question in mind, how do you think the phospholipids of coldwater fish compare to warm water fish? EXPLAIN.
Would you expect to see differences in the amounts of saturated and unsaturated fatty acids? EXPLAIN.
15. Phospholipids are described as
Multiple Choice
polar.
nonpolar.
amphipathic.
amphiprotic.
13. Which of the following is not one of the four most common elements in the body?
Multiple Choice
Oxygen
Nitrogen
Hydrogen
Carbon
Calcium
16.
Fatty acids in soap have a polar end and a nonpolar end. Which of the following best describes these molecules?
Multiple Choice
Amphipathic
Hydrophilic
Hydrophobic
Charged
22.
Compared to a solution with a pH of 7, a solution with a pH of 4 is
Multiple Choice
more acidic and has a 1,000-fold increase in [H+].
more acidic and has a 300-fold increase in [H+].
more basic and has a 1,000-fold increase in [H+].
more basic and has a 300-fold increase in [H+].
more basic and has a 300-fold decrease in [H+].
29.
A technician is asked to make up a solution of physiological saline and is told that it should be a 0.9% NaCl solution using the…
Solve correctly please.
(Gpt/Ai wrong answer not allowed)
Which property of water has had the MOST profound consequence for aquatic organisms? Question 33 options: a) Water has a high specific heat. b) Due to hydrogen bonding, solid water is less dense than liquid water. c) Nonpolar molecules are poorly soluble in water. d) Water has a high melting point. e) Water has a high heat of vaporization.
Chapter 2 Solutions
Biology (MindTap Course List)
Ch. 2.1 - Prob. 1LOCh. 2.1 - Compare the physical properties (mass and charge)...Ch. 2.1 - Prob. 3LOCh. 2.1 - Prob. 1CCh. 2.1 - What is a radioisotope? What are some ways...Ch. 2.1 - Prob. 3CCh. 2.2 - Prob. 4LOCh. 2.2 - Prob. 5LOCh. 2.2 - Prob. 6LOCh. 2.2 - What enables a radioisotope to substitute for an...
Ch. 2.2 - Which kind of chemical formula provides the most...Ch. 2.2 - Prob. 3CCh. 2.3 - Distinguish among covalent bonds, ionic bonds,...Ch. 2.3 - Prob. 1CCh. 2.3 - Prob. 2CCh. 2.3 - Prob. 3CCh. 2.3 - Prob. 4CCh. 2.4 - Prob. 8LOCh. 2.4 - In what form is energy transferred in a redox...Ch. 2.5 - Explain how hydrogen bonds between adjacent water...Ch. 2.5 - Prob. 1CCh. 2.5 - What are some properties of water that result from...Ch. 2.5 - How can weak forces, such as hydrogen bonds, have...Ch. 2.6 - Contrast acids and bases, and discuss their...Ch. 2.6 - Convert the hydrogen ion concentration (moles per...Ch. 2.6 - Describe the composition of a salt and explain the...Ch. 2.6 - Prob. 1CCh. 2.6 - Prob. 2CCh. 2.6 - Prob. 3CCh. 2.6 - Prob. 4CCh. 2 - Test Your Understanding Know and Comprehend 1....Ch. 2 - Prob. 2TYUCh. 2 - Prob. 3TYUCh. 2 - Test Your Understanding Know and Comprehend 4. 11H...Ch. 2 - Test Your Understanding Know and Comprehend 5. The...Ch. 2 - Test Your Understanding Know and Comprehend 6....Ch. 2 - Test Your Understanding Know and Comprehend 7. In...Ch. 2 - Test Your Understanding Know and Comprehend 8....Ch. 2 - Prob. 9TYUCh. 2 - Prob. 10TYUCh. 2 - Test Your Understanding Know and Comprehend 11....Ch. 2 - Prob. 12TYUCh. 2 - Prob. 13TYUCh. 2 - Test Your Understanding Apply and Analyze 14....Ch. 2 - Prob. 15TYUCh. 2 - Prob. 16TYUCh. 2 - Test Your Understanding Evaluate and Synthesize...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Test Your Understanding Know and Comprehend 4. 11H and 13H have (a) different chemical properties because they have different atomic numbers (b) the same chemical properties because they have the same number of valence electrons (c) different chemical properties because they differ in their number of protons and electrons (d) the same chemical properties because they have the same atomic mass (e) the same chemical properties because they have the same number of protons, electrons, and neutronsarrow_forwardTest Your Understanding Know and Comprehend 6. Which of the following bonds and properties are correctly matched? (a) ionic bonds; are strong only if the participating ions are hydrated (b) hydrogen bonds; are responsible for bonding oxygen and hydrogen to form a single water molecule (c) polar covalent bonds; can occur between two atoms of the same element (d) covalent bonds; may be single, double, or triple (e) hydrogen bonds; are stronger than covalent bondsarrow_forwardTest Your Understanding Know and Comprehend 11. Which of the following cannot function as a buffer? (a) phosphoric acid, a weak acid (b) sodium hydroxide, a strong base (c) sodium chloride, a salt that ionizes completely (d) a and c (e) b and carrow_forward
- Test Your Understanding Apply and Analyze 14. Consider the following reaction (in water): HCl H+ + Cl Name the reactant(s) and product(s). Does the expression indicate that the reaction is reversible? Could HCl be used as a buffer?arrow_forwardTest Your Understanding Know and Comprehend 1. Which of the following elements is mismatched with its properties or function? (a) carbonforms the backbone of organic compounds (b) nitrogencomponent of proteins (c) hydrogenvery electronegative (d) oxygencan participate in hydrogen bonding (e) all of the above are correctly matchedarrow_forwardA molecule that donates electrons becomes ________, and the one that accepts the electrons becomes ________. a. reduced; oxidized b. ionic; electrified. c. oxidized; reduced d. electrified; ionicarrow_forward
- Discuss Concepts You place a metal pan full of water on the stove and turn on the heat. After a few minutes, the handle is too hot to touch but the water is only warm. How do you explain this observation?arrow_forwardThe water lattice: a. is formed from hydrophobic bonds. b. causes ice to be denser than water. c. causes water to have a relatively low specific heat. d. excludes nonpolar substances. e. is held together by hydrogen bonds that are permanent; that is, they never break and reform.arrow_forwardWhich of the following is not a property of water? a. It has a low boiling point compared with other molecules. b. It has a high heat of vaporization. c. Its molecules resist separation, a property called cohesion. d. It has the property of adhesion, the ability to stick to chargedand polar groups in molecules. e. It can form hydrogen bonds to molecules below but not aboveits surface.arrow_forward
- Test Your Understanding Know and Comprehend 5. The orbitals composing an atoms valence electron shell (a) are arranged as concentric spheres (b) contain the atoms least energetic electrons (c) may change shape when covalent bonds are formed (d) never contain more than one electron each (e) more than one of the preceding is correctarrow_forwardIn your own words, list and define 3 properties of water that make it essential to life.arrow_forward15. Some molecules that are covalently bonded do not have a difference in charge across the mol- ecule. These molecules are referred to as nonpolar. What arrangement of electrons would result in a nonpolar molecule? 16. Some examples of nonpolar molecules include fats, oils, and waxes. How do these substances interact with water? 17. What prediction would you make about why oil and water interact in the way described above?arrow_forward
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