Lipids in Biology
A Grade 11 science worksheet covering the structure, function, and types of lipids, including phospholipids, triglycerides, and steroids.
Includes
Standards
Topics
Lipids: Structure and Function
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Read each question carefully and provide your best answer. For multiple choice questions, circle the correct option.
1. Which of the following is NOT a primary function of lipids in living organisms?
Energy storage
Structural component of cell membranes
Enzymatic catalysis
Hormone production
2. A triglyceride is composed of a glycerol molecule and how many fatty acid chains?
One
Two
Three
Four
3. Phospholipids are amphipathic molecules, meaning they have both a head and a tail.
4. Steroids are characterized by a carbon skeleton consisting of fused rings.
5. Saturated fatty acids contain one or more double bonds in their hydrocarbon chains.
True
False
6. Briefly explain the role of phospholipids in the formation of cell membranes.
7. Observe the diagram below, which represents a common type of lipid. Identify the specific type of lipid and label its key components (e.g., glycerol, fatty acid tails, phosphate group if applicable).