Lipids: Structure and Function
This worksheet covers the basic structure, types, and functions of lipids in biological systems for Grade 10 Science students.
Includes
Standards
Lipids: Structure and Function
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Date:
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Read each question carefully and provide your best answer. This worksheet will assess your understanding of lipids.
1. Which of the following is NOT a primary function of lipids in living organisms?
Energy storage
Structural component of cell membranes
Catalyzing biochemical reactions
Insulation
2. Saturated fatty acids are characterized by:
Presence of double bonds in their carbon chain
Absence of double bonds in their carbon chain
Being liquid at room temperature
Found primarily in plant oils
3. A triglyceride is composed of one glycerol molecule and three molecules.
4. Phospholipids are a major component of cell membranes, forming a bilayer due to their nature.
5. All lipids are soluble in water.
True
False
6. Steroids are a type of lipid that function as hormones and structural components.
True
False
7. Briefly explain the difference between saturated and unsaturated fatty acids.
Match each type of lipid with its primary function.
8. Triglycerides
a. Cell membrane structure
9. Phospholipids
b. Long-term energy storage
10. Steroids
c. Hormonal signaling
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