BIOCHEMISTRY W/1 TERM ACHEIVE ACCESS
9th Edition
ISBN: 9781319425746
Author: BERG
Publisher: MAC HIGHER
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Question
Chapter 12, Problem 2P
Interpretation Introduction
Interpretation:
The structure obtained when the phospholipids are placed in an organic solvent needs to be determined.
Concept introduction:
Phospholipids are important component of the cell membrane. They form lipid bilayers due to their amphiphilic properties.
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Thinking about cell membranes.
a) The fatty acid tails of the phospholipids that make up cell membranes canbe either saturated or unsaturated. Which type of lipid will lead to a membranewith more mechanical strength? Explain your answer.
b) One difference between bacterial and eukaryotic membranes is the presenceof cholesterol in eukaryotic membranes. What is the structure of cholesterol?Explain how adding cholesterol to a phospholipid membrane will affect thestability of the membrane.
c) “Anammox” bacteria are unique in that they can perform anaerobic ammoniaoxidation, or the production of nitrogen gas from ammonia (Damasté et al. Nature2002, 419, 708.). Intermediates along this reaction pathway include hydrazine(N2H4) and hydroxylamine (NH2OH), both of which are extremely toxic to the cell.The ammonia oxidation reactions are believed to occur inside a membrane-bound structure within the cell called the “anammoxosome.” The structure of oneof the lipids of the anammoxosome is shown…
Lipids Concept Map
Add these terms to your concept map should include these concepts and details:
Structure (functional groups, shape);
Monomer;
Linkage;
Properties;
Functions;
Key terms from the Partial List of Key Terms from the Minds
Partial Key Term List
fatty acid
glycerol
triglyceride
wax
steroid
amphipathic
ester linkage
phospholipid
micelle
bilayer
mosaic
independent variable
dependent variable
controlled variables
glycolipid
glycolprotein
transmembrane protein
18:33
A docs.google.com
A phospholipid macromolecule
Has 2 fatty acid hydrophobic chains
Has a polar phosphate head
Has a glycerol backbone
All are correct
A nucleotide contains
Purine or pyrimidine
O Sugar
Phosphate
All of the above
The structures depicted below are:
CH2OH
H.
H-C- OH
но
3
H-
НО-С — Н
H-
4
OH
H C- OH
H-
-C-OH
H C- OH
CH,OH
6CH2OH
Enantiomer isomers
geometric isomers
O structural isomers
both geometric isomers and
enantiomers
O O O O
O O
O O
Chapter 12 Solutions
BIOCHEMISTRY W/1 TERM ACHEIVE ACCESS
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