Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Chapter 14, Problem 13TY
Summary Introduction
Introduction:
Fats chemically are triglycerides that are energy stores in the body. There are different kinds of fats like saturated, monounsaturated, unsaturated, or polyunsaturated. Good fats are a very important part of the diet, while bad fats should be avoided as their consumption can cause various cardiovascular diseases.
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Which of the statements are true?
a. Triacylglycerols (triglycerides) contain ester bonds.
b. Unsaturated fats have higher melting points than saturated fats.
c. Unsaturated fats are more likely than saturated fats to be liquid at room temperature.
d. Triacylglycerols (triglycerides) always contain three identical fatty acids.
e. Fats that contain more saturated fatty acid residues than unsaturated fatty acid residues are more likely to be solid at room temperature.
Compared to olive oil, beef fat is has a higher proportion of
A. long-chain unsaturated fatty acids.
B. long-chain saturated fatty acids.
C. short-chain unsaturated fatty acids.
D. short-chain saturated fatty acids.
Which of the following statements about cholesterol is TRUE?
A. Cholesterol has a multiple carbon-rings structure
B. Cholesterol is a water-soluble nutrient
C. Food that are high in cholesterol tend to be low in saturated fat
D. Because cholesterol is not essential to our body, the FDA recommends keeping your cholesterol intake to an absolute minimum
Chapter 14 Solutions
Human Biology: Concepts and Current Issues (8th Edition)
Ch. 14 - Do you buy organic foods or conventional foods...Ch. 14 - If you were concerned about the possible harm...Ch. 14 - Describe the organs of the GI tract including the...Ch. 14 - Prob. 2CRCh. 14 - Prob. 3CRCh. 14 - Prob. 4CRCh. 14 - Indicate how many teeth adult humans have.Ch. 14 - Prob. 6CRCh. 14 - Prob. 7CRCh. 14 - Rank the major nutrient groups (carbohydrates,...
Ch. 14 - Prob. 9CRCh. 14 - Prob. 10CRCh. 14 - Which of the GI tract tissue layers is most...Ch. 14 - All of the following are secreted into the lumen...Ch. 14 - All of the following are found in saliva except:...Ch. 14 - Which of the following might be true of an...Ch. 14 -
5. Which of the following nutrients are digested...Ch. 14 - The region of the digestive tract most responsible...Ch. 14 -
7. Which of the following lists structures in...Ch. 14 -
8. What do the enzymes pepsin, chymotrypsin,...Ch. 14 -
9. Once nutrients are absorbed into the...Ch. 14 - Prob. 10TYCh. 14 - Prob. 11TYCh. 14 - Prob. 12TYCh. 14 - Prob. 13TYCh. 14 - Prob. 14TYCh. 14 - Which of the following is associated with celiac...Ch. 14 - Prob. 1AWKCh. 14 - Prob. 2AWKCh. 14 - Prob. 3AWKCh. 14 - Prob. 4AWKCh. 14 - Prob. 5AWKCh. 14 - Prob. 6AWKCh. 14 - Prob. 7AWK
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- Which of the following dietary Fats are considered very healthy and can actually aid in cardiovascular health? Additionally, what is the source of these healthy fats, i.e. what produces these fats? A. saturated fats : animals B. unsaturated fats : animals C. unsaturated fats plants D. saturated fats plants E. trans-fats : animals allows pola : crosarrow_forwardWhich of the following is FALSE about carbohydrates? a. They are essential components of the genetic material. b. They serve as supportive structural and protective components in the cell walls of bacteria and plants. c. They can act as ligands and receptors in cellular communication. d. They are generally non-polar and supply the body with fat-soluble vitamins.arrow_forwardWhich of the following is not a sterol? a. Estrogen b. Cortisol c. Cholesterol d. Bile e. Polysaccharides A friend says he is on the “keto diet” and eats no carbohydrates. His body converts his dietary protein to glucose through ________. a. hypoglycemia b. protein-deleting action c. acid-base balance d. ketosis e. gluconeogenesisarrow_forward
- Which of the following statements is False?a. Carbohydrates are the most efficient energy-storagemolecules by weight.b. Intrinsically disordered protein segments have mostlyhydrophilic amino acids.c. Nucleotides may act as energy-carrier molecules.d. Very acidic or salty solutions may denature proteins.arrow_forwardThe following is true about ergosterol, EXCEPT: (Select all that apply) a. found in plants b. found in animals c. less unsaturated d. precursor of vitamin earrow_forwardMonounsaturated fatty acids have a single double bond. Polyunsaturated fatty acids have multiple double bonds. Which of the following statements is true? O A. Monounsaturated fatty acids store more energy than polyunsaturated fatty acids. B. Polyunsaturated fatty acids store more energy than monounsaturated fatty acids. C. Polyunsaturated fats have a lower melting point than monounsaturated fatty acids. D. Monounsaturated fats have a lower melting point than polyunsaturated fatty acids. ered MacBook Air 딤O F3 000 F1 O00 F4 F5 F6 F7 F2 $ %arrow_forward
- Mark the following statements as true or false. If a statement is false, correct it to make a true statement. a. Carbohydrates are the main source of fuel for the human body. b. The main storage form of glucose in the human body is starch. c. Lipids contain oxygen and are therefore polar covalent molecules. d. Steroids, phospholipids, and triglycerides are all types of lipids. e. Proteins are composed of strings of fatty acids linked by glycosidic bonds. f. Amino acids have a carboxylic group on one end and an amino group on their other end.arrow_forwardWhich of the following is false about carbohydrates? a. they serve as supportive structure; and protective components in the cell walls of the bacteria and plants b. they are essential components of the genetic material c. they can act as ligands and receptors in cellular communication d. they are generally non-polar and supply the body with fat-soluble vitaminsarrow_forwardMeringue in “Lemon Meringue Pie” can be made from egg whites but not whole eggs, because whole eggs: a. contain the food-borne pathogen Salmonella enterica b. contain the emulsifying agent lecithin c. contain more than 50 proteins that can be denatured by the low pH of lemon juice d. contain the amino acid tryptophan whereas egg whites do not e. have a pH of 9.0arrow_forward
- Which 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_forwardWhich of the following statements about trans-fatty acids is/are FALSE? a.Healthier than saturated FA. b.Formed from the hydrogenation of C=C. c.May be present in butter substitutes. d.Properties are similar to saturated FA.arrow_forwardIn each of the following pairs of fatty acids, select the fatty acid that has the lower melting point. a. 14:0 and 18:0 b. 20:4(delta 5,8,11,14) and 18:3(delta 9,12,15) c. 18:3(delta 9,12,15) and 16:0 d. 18:1(delta 9) and 20:1(delta 5)arrow_forward
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