CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
10th Edition
ISBN: 9780136538820
Author: Taylor
Publisher: INTER PEAR
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Chapter 3, Problem 6TYK
Summary Introduction
Introduction: A fat molecule is a large lipid made from glycerol and fatty acids. A fat molecule may be saturated or unsaturated depending on presence of fatty acids. A fatty acid is a long hydrocarbon molecule consisting of terminal carboxyl group. It occurs in fats and oils. A fatty acid that contains one or more double bonds in their hydrocarbon is called an ‘unsaturated fatty acid’. A fatty acid that does not contain double bonds in their hydrocarbon is called a ‘saturated fatty acid’.
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Which of the following statements is false? a. Fiber is a polysaccharide that is completely or partially indigestible by the human body. b. A complete protein contains all of the essential amino acids. c. Saturated fats contain hydrogen atoms arranged on opposite sides of the carbon-carbon double bond. d. Linoleic and linolenic acid are essential fatty acid
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.
A characteristic common to fat molecules is that theya. contain long chains of C–H bonds.b. are insoluble in water.c. have a glycerol backbone.d. All of these are characteristics of fats.
Chapter 3 Solutions
CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
Ch. 3 - Complete the following table to help you review...Ch. 3 - A glucose molecule is to starch as (Explain your...Ch. 3 - What makes a fatty acid an acid? a. It does not...Ch. 3 - Cows can derive nutrients from cellulose because...Ch. 3 - Of the following functional groups, which is/are...Ch. 3 - Prob. 6TYKCh. 3 - Prob. 7TYKCh. 3 - Prob. 8TYKCh. 3 - Which structural level of a protein would be least...Ch. 3 - Circle and name the functional groups in this...
Ch. 3 - Most proteins are soluble in the aqueous...Ch. 3 - Sucrose is broken down in your intestine to the...Ch. 3 - Explain the role of complementary base pairing in...Ch. 3 - What are the two types of secondary structures...Ch. 3 - The diversity of life is staggering. Yet the...Ch. 3 - How can a cell make many different kinds of...Ch. 3 - Given that the function of egg yolk is to nourish...Ch. 3 - Enzymes usually function best at an optimal pH and...Ch. 3 - SCIENTIFIC THINKING Another aspect of the Nurses...
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- 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_forwardCompared 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.arrow_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
- Which 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_forwardIn contrast to other fatty acids, essential fatty acidsa. are always saturated fats.b. cannot be synthesized by the organism and are necessary forsurvival.c. can act as building blocks for large, more complex macromolecules.d. are the simplest form of lipids found in plant cells.e. are structural components of plasma membranes.arrow_forwardWhich of the following statements about saturated fats is true? a. Saturated fats contain one or more double bonds along the tails. b. Saturated fats contain the maximum number of hydrogens along the tails. c. Saturated fats make up the majority of most plant oils. d. Saturated fats are typically healthier for you than unsaturated fats.arrow_forward
- Which one of the following statements about lipids is correct?a. Saturated fats contain many double bonds.b. Unsaturated fats do not have double bonds.c. Fatty acids contain 9 kilocalories per gram.d. Steroids consist of chain structure molecules.arrow_forwardWhich 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 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
- A molecule that contains glycerol and is liquid at room temperature is probably a/an... A. unsaturated protein B. carbohydrate C. steroid D. saturated fat E. unsaturated fatarrow_forwardMark 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_forwardmatch each type of molecule with its characteristics: a. starch b. glycogen c. fat d. nucleotide i. stores energy in plants ii. consists of a pentose sugar, phosphate, and nitrogenous base iii. 3 fatty acids attached to a glycerol iv. a branched polysaccharide in animals select one: a. a-i, b-iii, c-ii, d-iv b. a-i, b-iv, c-iii, d-ii c. a-iii, b-iv, c-iii, d-i d. a-ii, b-iv, c-iii, d-i e. a-iv, b-i, c-ii, d-iiiarrow_forward
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