BIO REVIEW #2 – LIPIDS Exam | Questions And Answers Latest {2024- 2025} A+
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What is a lipid? - Class of organic compounds that tends to be soluble in nonpolar solvents.
What does a lipid consist of? - Fats, Oils, Phospholipids, Steroids, and Waxes.
How does a lipid differ from other biomolecules? - Insoluble in water.
What is a fatty acid? - a carboxylic acid with a long aliphatic tail (chain), which is either saturated or
unsaturated.
What is a triglyceride? - Molecules that constitute fats and oils.
Why is it important to consume fats that are unsaturated? - Easier to digest, better type of cholesterol
(HDL).
What is an example of an unsaturated fat? - Olive Oil.
What is a saturated fat? - Fat that consists of triglycerides that have no room for hydrogen to attach to
carbon.
What is a Phospholipid? - Molecule that forms the bilayer of the cell's membranes.
Why are Phospholipids essential for life on earth? - Phospholipids form the plasma membrane of cells,
and they are essential for cell function and structure.
What are steroids? - They are lipids with 4 fused C rings.
List at least three steroids that we discussed in class? - Cholesterol, Testosterone, Estrogen.
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