MCQ on Phospholipids (Part-2)

Phospholipids are a type of lipid crucial in cell structure, comprising a hydrophilic head and hydrophobic tails. They form the cell membrane, facilitating its flexibility and selective permeability. Phospholipids also aid in cell signaling and are essential for various biological processes. This is an MCQ on Phospholipids Structure and Functions.

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1. 
What are phospholipids?

2. 
Phospholipids have a hydrophilic "head" and hydrophobic "tails." What is the head composed of?

3. 
Which part of the phospholipid molecule interacts with water and is typically oriented towards the aqueous environment?

4. 
In biological membranes, phospholipids spontaneously form a lipid bilayer. What is the primary driving force for this organization?

5. 
Phospholipids are crucial for the formation of various cellular structures, including:

6. 
Phospholipids play a role in the transport of lipids in the bloodstream. What lipoprotein transports cholesterol and triglycerides?

7. 
What is the term for phospholipids that have a net negative charge and are important for cellular signaling, especially in nerve cells?

8. 
Which phospholipid is known for its role in blood clotting and is exposed on the surface of platelets during coagulation?

9. 
The fluidity of cell membranes is influenced by the composition of phospholipids. Which of the following contributes to increased membrane fluidity?

10. 
Phospholipids are amphipathic molecules, meaning they have both hydrophilic and hydrophobic regions. This property is essential for their role in:

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