Table of contents

1. Introduction to Biochemistry4h 34m
2. Water3h 23m
3. Amino Acids8h 10m
4. Protein Structure10h 4m
5. Protein Techniques14h 5m
6. Enzymes and Enzyme Kinetics13h 38m
7. Enzyme Inhibition and Regulation 8h 42m
8. Protein Function 9h 41m
9. Carbohydrates7h 49m
10. Lipids5h 49m
11. Biological Membranes and Transport 6h 37m
12. Biosignaling9h 45m
Review 1: Nucleic Acids, Lipids, & Membranes2h 47m
Review 2: Biosignaling, Glycolysis, Gluconeogenesis, & PP-Pathway3h 12m
Review 3: Pyruvate & Fatty Acid Oxidation, Citric Acid Cycle, & Glycogen Metabolism2h 26m
Review 4: Amino Acid Oxidation, Oxidative Phosphorylation, & Photophosphorylation1h 48m

1. Introduction to Biochemistry

Lipids

Biochemistry

1. Introduction to Biochemistry

Lipids

Previous problemNext problem

Struggling with Biochemistry?

Join thousands of students who trust us to help them ace their exams!Watch the first video

Multiple Choice

Droplets of fat products surrounded by bile acids in the digestive tract are called:

Micelles

Lipoproteins

Lysosomes

Chylomicrons

Previous problemNext problem

Verified step by step guidance

Understand the context: The problem is asking about the structures formed in the digestive tract when fat products are surrounded by bile acids. This is a key concept in lipid digestion and absorption.

Recall the role of bile acids: Bile acids are amphipathic molecules (having both hydrophilic and hydrophobic regions) that emulsify fats, breaking them into smaller droplets to aid in digestion.

Define the term 'micelle': Micelles are spherical structures formed when bile acids surround fat digestion products (like fatty acids and monoglycerides). The hydrophobic tails of bile acids face inward, trapping the fat products, while the hydrophilic heads face outward, interacting with the aqueous environment.

Differentiate the other options: Lipoproteins are complexes of lipids and proteins that transport lipids in the bloodstream. Lysosomes are cellular organelles involved in degradation, and chylomicrons are lipoproteins that transport dietary lipids from the intestines to other tissues. These are not directly related to the emulsification process in the digestive tract.

Conclude that the correct answer is 'Micelles,' as they are the structures specifically formed by bile acids surrounding fat products during digestion.