WHAT IS LIFE? A GUIDE TO BIO 3E+LAUNCHPA
3rd Edition
ISBN: 9781319103316
Author: PHELAN
Publisher: Macmillan Higher Education
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Chapter 2, Problem 12MC
Summary Introduction
Introduction:
In the chemistry of organic molecules like fats, unsaturation refers to a lack of hydrogen atoms and the presence of double bonds.
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An unsaturated fatty acid produces more energy than the analogous saturated fatty acid.
A) True
B) False
Which of the following fatty acids is most likely to be a solid at room temperature?
A)
B)
C)
D)
E)
شد
OH
OH
OH
A fatty acid designated as 20:0 is ________, while one that is designated 20:3 D5,8,11 is ________.A) simple; complexB) complex; simpleC) saturated; unsaturatedD) unsaturated; saturatedE) monounsaturated; polyunsaturated
Chapter 2 Solutions
WHAT IS LIFE? A GUIDE TO BIO 3E+LAUNCHPA
Ch. 2 - Prob. 1SACh. 2 - Prob. 2SACh. 2 - Prob. 3SACh. 2 - Prob. 4SACh. 2 - Prob. 5SACh. 2 - Prob. 6SACh. 2 - Prob. 7SACh. 2 - Prob. 8SACh. 2 - Prob. 9SACh. 2 - Prob. 10SA
Ch. 2 - Prob. 11SACh. 2 - Prob. 12SACh. 2 - Prob. 13SACh. 2 - Prob. 14SACh. 2 - Prob. 15SACh. 2 - Prob. 16SACh. 2 - Prob. 17SACh. 2 - Prob. 18SACh. 2 - Prob. 19SACh. 2 - Prob. 20SACh. 2 - Prob. 1MCCh. 2 - Prob. 2MCCh. 2 - Prob. 3MCCh. 2 - Prob. 4MCCh. 2 - Prob. 5MCCh. 2 - Prob. 6MCCh. 2 - Prob. 7MCCh. 2 - Prob. 8MCCh. 2 - Prob. 9MCCh. 2 - Prob. 10MCCh. 2 - Prob. 11MCCh. 2 - Prob. 12MCCh. 2 - Prob. 13MCCh. 2 - Prob. 14MCCh. 2 - Prob. 15MCCh. 2 - Prob. 16MCCh. 2 - Prob. 17MCCh. 2 - Prob. 18MCCh. 2 - Prob. 19MC
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- Which of the following membrane lipids have a direct glycosidic linkage between the head-group sugar and the backbone glycerol? a) Ether lipids b) Sphingolipids c) Glycolipids d) Phospholipidsarrow_forwardIn the deoxy state, Histidine forms an ______ salt bridge with aspartate and an ______ salt bridge with lysine in the deoxidized state. a) Intra-chain; Intra-chain b) Intra-chain; inter-chain c) Inter-chain; Inter-chain d) Inter-chain; Intra-chainarrow_forwardWhich of the following is true of the molecule pictured below? A) It will spontaneously form into biological membranes. B) It would be liquid at room temperature because it contains unsaturated fatty acids. C) It would be solid at room temperature because it contains only saturated fatty acids. D) It would be liquid at room temperature because it contains only saturated fatty acids. E) It would be solid at room temperature because it contains unsaturated fatty acids.arrow_forward
- Which of the following descriptions is the best for a phospholipid? a) a polar lipid molecule that fully interacts with water. b)A polar lipid molecule that is made nonpolar by the addition of a phosphate group. c) A lipid molecule that consists of two fatty acids, glycerol and a phosphate group, and is amphitheatric. d) A nonpolar lipid molecule that is made fully polar by the addition of a phosphate group so it can interact with water. e) a polar lipid molecule that fully repels water through all its parts.arrow_forwardWhich of the following membrane lipids have a direct glycosidic linkage between the head-group sugar and the backbone glycerol?a) Glycolipidsb) Phospholipidsc) Sphingolipidsd) Ether lipidsarrow_forwardWhich of following functional groups are present on this molecule: a) aldehyde b) ketone c) carboxylic acid d) both a and c e) a, b and c O OHarrow_forward
- Which of the following type structure contains all the three glycosphingolipids?a) B structureb) A structurec) O structured) AB structurearrow_forward___ fatty acid chain length, as well as ___ the number of double bonds has the effect of increasing the fluidity of phospholipids that contain them. a) Increasing; decreasing b) Decreasing; decreasing c) Increasing; increasing d) Decreasing; increasingarrow_forwardA fatty acid designated w-3A) has three double bonds.B) is saturated.C) has a double bond three carbons from the end of the chain.D) has a double bond three carbons from the a-carbon.arrow_forward
- 1. Which one of the following is NOT an important functional group or linkage in biomolecules? A) Phosphodiester B) Hemiketal C) Thiol D) Lipid E) Phosphoanhydridearrow_forwardWhich of the following is not one of the states of lipids?a) Para crystalline stateb) Liquid ordered statec) Liquid disordered stated) Crystalline statearrow_forwardWhat do all fats have in common? A) they all have identical hydrocarbon chains B) they are acidic C) they are all unsaturated molecules D) they are all formed from glycerol E) all of the above (I know it is not A, because I got it wrong. Need to know the correct answer for study purposes. Thanks in advance!)arrow_forward
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