Chapter 3 Lesson 5: Lipids Flashcards
How can you tell if a molecule is a lipid?
Contains mostly carbon and hydrogen (almost 100%)
How do lipids interact with water?
Do not attract
What is the term for molecules not being attracted to water?
Hydrophobic
What does a fat molecule contain?
One glycerol
Three fatty acids
How can you tell if a fatty acid is saturated fat?
It has all single covalent bonds between carbons
Solid at room temperature
How can you tell if a fatty acid is unsaturated fat?
It has one or more double covalent bonds between carbons
Liquid at room temperature
In which part of the cell would you find a phospholipid bilayer?
Cell membranes
What does a fatty acid contain?
Long chain of carbon and hydrogen atoms ending in a carboxyl group
Phospholipids and cholesterol play key roles in _________________.
Cell membranes
