Select the single best answer. The composition of a cell membrane is not uniform for all types of cells. Some cell membranes are more rigid than others. Rigidity is determined by a variety of factors, one of which is the structure of the carbon chains in the phospholipids that comprise the membrane. Two examples of phospholipids are shown below, with one having C–C double bonds in its carbon chains. Which phospholipid would be present in the more rigid cell membrane? CH2-O Compound A: H-Ć-O. (CH3),NCH,CH2- -CH2 CH2 Compound B: H-C-O. (CHaŃCH,CH2-0-P-o-CH2 Compound A Compound B
Select the single best answer. The composition of a cell membrane is not uniform for all types of cells. Some cell membranes are more rigid than others. Rigidity is determined by a variety of factors, one of which is the structure of the carbon chains in the phospholipids that comprise the membrane. Two examples of phospholipids are shown below, with one having C–C double bonds in its carbon chains. Which phospholipid would be present in the more rigid cell membrane? CH2-O Compound A: H-Ć-O. (CH3),NCH,CH2- -CH2 CH2 Compound B: H-C-O. (CHaŃCH,CH2-0-P-o-CH2 Compound A Compound B
Biochemistry
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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Transcribed Image Text:Select the single best answer.
The composition of a cell membrane is not uniform for all types of cells. Some cell membranes are
more rigid than others. Rigidity is determined by a variety of factors, one of which is the structure of
the carbon chains in the phospholipids that comprise the membrane. Two examples of phospholipids
are shown below, with one having C-C double bonds in its carbon chains. Which phospholipid
would be present in the more rigid cell membrane?
CH2
Compound A:
H-C-
(CH3)9NCH,CH2-0-P-0-CH2
CH2-O
Compound B:
Н-с—о.
(CHa)ÑCH,CH2-O-P-0-CH2
Compound A
Compound B
Expert Solution

Step 1
Phospholipid are lipid mainly found in cell membrane and are composed of two fatty acids, a glycerol unit and a phosphate group which is esterified to an organic molecule.
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