Name: Section: Draw the structure of the following lipids. EXERCISE NO. 10 LIPID STRUCTURE Date Submitted: Seat Number: 1. a simple triacylglycerol containing behenic acid 2. a phosphatidylcholine containing two linolenic residues acid residues 3. a ceramide containing a cerotic acid residue 4. a cerebroside containing an arachidonic acid residue

Pls DRAW the following: 

1. Simple Triacylglycerol Containing Behenic Acid Residues

• Behenic acid is a saturated fatty acid with 22 carbons (CH₃(CH₂)₂₀COOH).
• A triacylglycerol consists of glycerol esterified with three fatty acid molecules.

Structure:

• Glycerol backbone: Three carbon atoms each bonded to a hydroxyl group (OH).
• Three behenic acid chains are esterified to the hydroxyl groups on the glycerol backbone.

2. Phosphatidylcholine Containing Two Linolenic Acid Residues

• Linolenic acid is an 18-carbon polyunsaturated fatty acid with three double bonds.
• Phosphatidylcholine consists of a glycerol backbone, two fatty acid chains, a phosphate group, and a choline group.

Structure:

• Glycerol backbone: Two linolenic acid chains esterified to the first two carbons.
• Third carbon attached to a phosphate group connected to choline.

3. Ceramide Containing a Cerotic Acid Residue

• Cerotic acid is a saturated fatty acid with 26 carbons (CH₃(CH₂)₂₄COOH).
• Ceramide consists of a sphingosine backbone and an amide linkage to a fatty acid.

Structure:

• Sphingosine backbone with an amide linkage to the cerotic acid at the top.

4. Cerebroside Containing an Arachidonic Acid Residue

• Arachidonic acid is a 20-carbon polyunsaturated fatty acid with four double bonds.
• Cerebroside consists of a ceramide (sphingosine + fatty acid) attached to a sugar residue (such as glucose).

Structure:

• Sphingosine backbone with an amide linkage to the arachidonic acid.
• The sugar residue is attached to the primary hydroxyl group of sphingosine.

Use these descriptions to draw the structures accurately, focusing on the connections and components unique to each lipid type.