Eicosanoids and endocannabinoids, which are hormone-like substances, are made from which fatty acid? ? a) kinetic acid b) oleic acid c) linolenic acid d) arachidonic acidSphingomyelin differs from phosphatidyl choline in that: a) kinetic acid is absent in sphingomyelin b) sphingosine replaces glycerol in sphingomyelin c) sphingomyelin contains 2 choline moleculesWhich of these lipids contains no fatty acids? a) cerebrosides b) lecithin c) cholesterol d) plant oilsWhich of these is an ABC transporter? a) Na/K pump b) MDR protein c) Na/Ca antiporter d) Na/glucose symporterIn an ion channel, the part of the channel protein which specifically binds to the ion is called: a) a voltage-gated channel b) a ligand-gated channel c) an antiporter d) a selectivity filterSymporters and antiporters may transport one chemical species against its concentration gradient. Energy for this is obtained from: a) ATP b) NADH via oxidative phosphorylation c) specialized mitochondria d) The concentration gradient of the other chemical species being transported

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Answered: Eicosanoids and endocannabinoids, which…

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Eicosanoids and endocannabinoids, which are hormone-like substances, are made from which fatty acid? ? a) kinetic acid b) oleic acid c) linolenic acid d) arachidonic acid
Sphingomyelin differs from phosphatidyl choline in that: a) kinetic acid is absent in sphingomyelin b) sphingosine replaces glycerol in sphingomyelin c) sphingomyelin contains 2 choline molecules
Which of these lipids contains no fatty acids? a) cerebrosides b) lecithin c) cholesterol d) plant oils
Which of these is an ABC transporter? a) Na/K pump b) MDR protein c) Na/Ca antiporter d) Na/glucose symporter
In an ion channel, the part of the channel protein which specifically binds to the ion is called: a) a voltage-gated channel b) a ligand-gated channel c) an antiporter d) a selectivity filter
Symporters and antiporters may transport one chemical species against its concentration gradient. Energy for this is obtained from: a) ATP b) NADH via oxidative phosphorylation c) specialized mitochondria d) The concentration gradient of the other chemical species being transported

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