The vials labeled by “sphingomyelin” and “cerebroside” contains the lipids, which Thudichum had isolated many years ago. Introduction: Sphingomyelins are the sphingolipids that are present in the myelin sheath of the cell membranes in all living cells. Sphingomyelins consist of ceramide and phosphocholine or phosphoethanolamine. Cerebrosides is a glycosphingolipid which is found in the nerve or muscle cell membranes. They are also known as Galactosylcerebroside. Cerebrosides have a ceramide with a sugar (glucose or galactose) molecule at the 1-hydroxy moiety.

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Chapter 10, Problem 18P

(a)

Summary Introduction

To determine: The vials labeled by “sphingomyelin” and “cerebroside” contains the lipids, which Thudichum had isolated many years ago.

Introduction:

Sphingomyelins are the sphingolipids that are present in the myelin sheath of the cell membranes in all living cells. Sphingomyelins consist of ceramide and phosphocholine or phosphoethanolamine. Cerebrosides is a glycosphingolipid which is found in the nerve or muscle cell membranes. They are also known as Galactosylcerebroside. Cerebrosides have a ceramide with a sugar (glucose or galactose) molecule at the 1-hydroxy moiety.

(b)

Summary Introduction

To determine: Distinction between the sphingomyelin and phosphatidylcholine by the chemical, physical, or enzymatic test.

Introduction:

Sphingomyelins are the sphingolipids that are present in the myelin sheath of the cell membranes in all living cells. Sphingomyelins consist of ceramide and phosphocholine or phosphoethanolamine. Cerebrosides is a glycosphingolipid which is found in the nerve or muscle cell membranes. They are also known as Galactosylcerebroside. Cerebrosides have a ceramide with a sugar (glucose or galactose) molecule at the 1-hydroxy moiety.

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