Advertisements
Advertisements
Question
Long answer question.
Explain the chemical nature, structure and role of phospholipids in the biological membrane.
Solution
Chemical nature: Phospholipids are amphiphilic in nature. As they have a hydrophilic head and hydrophobic tail.
Structure: It contains alcohol, two fatty acid chains and a phosphate group.
Role: Phospholipids forms the membranes around the cells and cellular organelles. They form a lipid bilayer membrane. The phospholipids are arranged tail to tail. It serves as a barrier against the movement of any ions or polar compounds into and out of the cell.
APPEARS IN
RELATED QUESTIONS
Answer the following question.
How many types of polysaccharides you know?
Answer the following question.
What is reducing sugar?
Answer the following question.
Describe the concept of metabolic pool.
Answer the following question.
How do secondary metabolites useful for mankind?
Complete the following chart.
| Protein | Physiological role |
| Collagen | ___________ |
| __________ | Responsible for muscle contraction |
| Immunoglobulin IgG | ___________ |
| ___________ | Significant in respiration |
| Fibrinogen | ____________ |
Long answer question.
What are enzymes?
Long answer question.
What is metabolism?
Name the term that describes all the chemical reactions taking place in an organism.
Name the reagent used for testing for reducing sugar.
The most abundant molecule in cell is ______.
