Triglycerides vs. Phospholipids

Question 1

Triglycerides

Answer 1

• 3 fatty acid molecules
• Fatty acid: nonpolar hydrocarbon attached to polar carboxyl group
• Has the hydrocarbon chain so carbon is bonded to hydrogen and those are nonpolar

Question 2

Phospholipids

Answer 2

• Fatty acids bound to glycerol
• Phosphate - containing compound replaces 1 fatty acid molecule
• Polar
• Are amphipathic
• Have both hydrophilic and hydrophobic parts
• Hydrophilic head
• Hydrophobic tail