A _________ is a lipoprotein that carries lipids through the lymphatic system and into the bloodstream.

• A. Micelle.
• B. Chylomicron.
• C. Phospholipid.
• D. Bile.

Answer: (B)

Verified step by step guidance

1. Understand the context: The question is asking about a specific type of lipoprotein that transports lipids through the lymphatic system and into the bloodstream. Lipoproteins are complexes made of lipids and proteins that help transport fats in the body.
2. Review the options provided: The options include Micelle, Chylomicron, Phospholipid, and Bile. Each term has a specific role in lipid digestion, absorption, or transport.
3. Clarify the role of each term: A micelle is a structure formed during fat digestion to help absorb lipids in the small intestine. A chylomicron is a type of lipoprotein that transports dietary lipids from the intestines through the lymphatic system into the bloodstream. Phospholipids are components of cell membranes and lipoproteins but are not responsible for transporting lipids through the lymphatic system. Bile is a digestive fluid that emulsifies fats but does not transport them.
4. Identify the correct answer: Based on the definitions, the lipoprotein that carries lipids through the lymphatic system and into the bloodstream is the chylomicron.
5. Conclude: The correct answer is 'Chylomicron,' as it matches the description provided in the question.