Lipids Flashcards
What are the four main types of macromolecules?
Carbohydrates, proteins, lipids, and nucleic acids.
True or False: Lipids are soluble in water.
False.
What is the primary function of lipids in the body?
To store energy and provide insulation.
Fill in the blank: The basic building blocks of lipids are called __________.
fatty acids.
What are triglycerides?
A type of lipid made up of one glycerol molecule and three fatty acids.
Which type of lipid is commonly known as fats and oils?
Triglycerides.
What is the difference between saturated and unsaturated fats?
Saturated fats have no double bonds between carbon atoms, while unsaturated fats have one or more double bonds.
True or False: Phospholipids are a major component of cell membranes.
True.
What is the structure of a phospholipid?
It consists of a glycerol backbone, two fatty acids, and a phosphate group.
What role do sterols play in the body?
They are involved in cell membrane structure and serve as precursors to hormones.
Fill in the blank: Cholesterol is a type of __________.
sterol.
What process is used to break down lipids in the body?
Lipolysis.
True or False: Lipids can function as signaling molecules.
True.
What are fatty acids classified into?
Saturated, unsaturated, and trans fatty acids.
What is the primary characteristic of trans fats?
They are artificially created and can raise LDL cholesterol levels.
