Advertisements
Advertisements
प्रश्न
Long answer question.
Explain the chemical nature, structure and role of phospholipids in the biological membrane.
Advertisements
उत्तर
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
संबंधित प्रश्न
Observe the following figure and name the type of bond shown by the arrow in the structure.
Answer the following question.
How many types of polysaccharides you know?
Answer the following question.
Enlist the significance of carbohydrates.
Answer the following question.
What is the basic difference between saturated and unsaturated fatty acid?
Answer the following question.
Explain the induced fit model for the mode of enzyme action.
Answer the following question.
What is RNA? Enlist types of RNA.
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.
Enlist the point of differences among DNA and RNA.
Name the reagent used for testing for reducing sugar.
