15 Questions
Which organic compounds are related to fatty acids and are insoluble in water but soluble in fat solvents?
Lipids
What are the esters of fatty acids with glycerol called?
Triglycerides
Which lipids are formed of fatty acids and alcohol?
Waxes
What are the substances derived from simple lipids and compound lipids by hydrolysis?
Fatty acids
Which type of lipid is formed of glycerol and 3 fatty acids, making it a triester?
Triglycerides
Which type of lipids are esters of fatty acids with glycerol, forming triesters?
Triglycerides
What category of lipids includes compounds formed of simple lipids (glycerol & fatty acids) and other non-lipid parts?
Compound lipids
Which type of lipids is formed from lipid and carbohydrate components?
Glycolipids
What substances are derived from simple lipids and compound lipids by hydrolysis?
Fatty acids
Which category of lipids includes the combination of lipid and protein components?
Lipoproteins
What are lipids?
Lipids are heterogeneous organic compounds related to fatty acids, insoluble in water but soluble in fat solvents.
What are simple lipids?
Simple lipids are esters of fatty acids with alcohols.
What are compound lipids formed of?
Compound lipids are formed of fatty acids and alcohol, and they include fats and oils, waxes, phospholipids, glycolipids, and sulpholipids.
What are derived lipids?
Derived lipids are substances derived from simple lipids and compound lipids by hydrolysis.
What are fats and oils?
Fats and oils are esters of fatty acids with glycerol, making them triesters formed of glycerol and 3 fatty acids.
Study Notes
Lipid Classification and Characteristics
- Waxes are organic compounds related to fatty acids, insoluble in water, but soluble in fat solvents.
- Esters of fatty acids with glycerol are called triglycerides.
Structure and Formation of Lipids
- Triglycerides are formed of glycerol and 3 fatty acids, making them triesters.
- Simple lipids are formed of glycerol and fatty acids.
- Compound lipids are formed of simple lipids and other non-lipid parts.
Types of Lipids
- Lipids are a category of biomolecules that include fats, oils, waxes, and related compounds.
- Simple lipids are composed of glycerol and fatty acids.
- Compound lipids are formed of simple lipids and other non-lipid parts, such as phospholipids (lipid and phosphate groups) and glycolipids (lipid and carbohydrate components).
- Derived lipids are substances derived from simple lipids and compound lipids by hydrolysis, including fatty acids and glycerol.
- Lipo-proteins are a category of lipids that combine lipid and protein components.
Fats and Oils
- Fats and oils are types of triglycerides that differ in their melting points, with fats being solid at room temperature and oils being liquid.
This presentation covers the definition and classification of lipids, types and functions of lipoproteins, cholesterol, its biological importance and transport, and atherosclerosis. The content is delivered by Dr. Shimaa Mohsen El-beah, an Associate Professor of Medical Biochemistry and Molecular Biology and Clinical Nutrition Specialist.
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