EP BIOLOGY TODAY+TOMORROW W/O PHYSIO.
5th Edition
ISBN: 9781305583856
Author: STARR
Publisher: CENGAGE L
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Textbook Question
Chapter 2, Problem 8SQ
Unlike saturated fatty acids, the tails of unsaturated fatty acids incorporate one or more _______.
- a. phosphate groups
- b. glycerols
- c. double bonds
- d. single bonds
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Polyunsaturated fatty acids
a). are solid at room temperature
b). have carbon-carbon double bonds
c). are polar
d). have high melting points
Fatty acids that have ______ are more likely to be liquid at room temperature.
A.
more double bonds
B.
fewer double bonds
C.
a longer carbon chain
D.
a shorter carbon chain
Which of the following statements concerning fatty acids is correct?
a. Used to make phospholipids
b. They all contain one or more double bonds.
c. They are a constituent of sterols.
d. They are strongly hydrophilic.
Chapter 2 Solutions
EP BIOLOGY TODAY+TOMORROW W/O PHYSIO.
Ch. 2 - A. The first shell corresponds to the first energy...Ch. 2 - B. A chlorine atom (Cl) becomes a negatively...Ch. 2 - Figure 2.12 A pH scale. Here, red dots signify...Ch. 2 - Figure 2.17 Fatty acids. Double bonds in the tails...Ch. 2 - Effects of Dietary Fats on Lipoprotein Levels...Ch. 2 - Effects of Dietary Fats on Lipoprotein Levels...Ch. 2 - Effects of Dietary Fats on Lipoprotein Levels...Ch. 2 - Prob. 1SQCh. 2 - Which element has only one proton?Ch. 2 - The mutual attraction of opposite charges holds...
Ch. 2 - A salt does not release __________ in water. a....Ch. 2 - A(n) _______ substance repels water. a. acidic b....Ch. 2 - When dissolved in water, a(n) _____ donates H+ and...Ch. 2 - _________ is a monosaccharide. a. Glucose b....Ch. 2 - Unlike saturated fatty acids, the tails of...Ch. 2 - Which of the following is a class of molecules...Ch. 2 - Prob. 10SQCh. 2 - Prob. 11SQCh. 2 - Prob. 12SQCh. 2 - Prob. 13SQCh. 2 - Match the molecules with the best description.Ch. 2 - Match each molecule with its component(s).Ch. 2 - Alchemists were the forerunners of modern-day...Ch. 2 - Prob. 2CTCh. 2 - Polonium is a rare element with 33 radioisotopes....Ch. 2 - In the following list, identify the carbohydrate,...
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- Unlike saturated fats, the fatty acid tails of unsaturated fats incorporate one or more ________. a. phosphate group c. double bonds b. glycerols d. single bondsarrow_forwardSaturated fatty acids are so named because they are saturated with (a) hydrogen (b) water (c) hydroxyl groups (d) glycerol (e) double bondsarrow_forwardWhich of the following statements concerning palmitic acid is INCORRECT? a. It can barely be dissolved in water. b. It is an unsaturated fatty acid. c. It is consisted of 16 carbons. d. It is a lipid.arrow_forward
- Unlike a phospholipid, cholesterol hasa. a glycerol backbone.b. a polar phosphate group.c. a multiple ring structure.d. unsaturated fatty acid chainsarrow_forwardWhich of the following statements concerning structural characteristics of bile acids is CORRECT? * A. No hydroxyl groups are present B. More hydroxyl groups are present than cholesterol C. Fewer hydroxyl groups are present than cholesterol D. Both have the same hydroxyl groups present with cholesterolarrow_forwardWhich of the following properties of a free fatty acid molecule would make it capable of producing the most energy when used as a fuel source, compared to other free fatty acids? a) A large number of unsaturated bonds b) Shorter hydrocarbon chain with a large number of carbonyl groups c) Longer hydrocarbon chain with a large number of saturated bonds d) Shorter hydrocarbon chain with a large number of saturated bondsarrow_forward
- Which of the following is NOT essential fatty acids? A. Omega-3 fatty acid B. Alpha-linoleic acid C. Linoleic acid D. Saturated fatty acidarrow_forwardWhich of the following is/are NOT (an) essential fatty acids? A. arachidonic acid B. linoleic acid C. palmitic D. oleic acidarrow_forwardwhich of the following is found in all complex lipids? A. A fatty acid B. Glycerol C. Phosphate D. All of thesearrow_forward
- ipids that are liquid at room temperature:a. are fats.b. contain more hydrogen atoms than lipids that are solids at room temperature.c. if polyunsaturated, contain several double bonds in their fatty acid chains.d. lack glycerol.e. are not stored in cells as triglycerides.arrow_forwardWhy are carbohydrates called "carbohydrates"? a. Apparently, carbohydrates contain water molecules. b. The composition (rather than the actual structure) of a carbohydrate seems to suggest that the molecule contains water molecules. c. carbohydrates are made from C and water. d. none of the abovearrow_forwardfatty acids with no double bonds are a. unsaturated b. higher in hydrogens than fatty acids with double bonds c. lower in hydrogens than fatty acids with no double bonds d. none of the abovearrow_forward
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