Colchicine `(C_(22)H_(25)O_(6)N)` which prevents spindle formation is chemically a :-

Options

A. Protein
B. Amino acid
C. Alkaloid
D. Glycolipid

Answer

To determine the chemical classification of colchicine (C22H25O6N), which prevents spindle formation, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Chemical Structure**:
- Colchicine is a chemical compound with the formula C22H25O6N. To classify it, we need to understand its structure and functional groups.

2. **Research Chemical Classifications**:
- Common chemical classifications include proteins, amino acids, alkaloids, and glycolipids. Each of these has distinct characteristics:
- **Proteins** are made up of amino acids and are involved in various biological functions.
- **Amino Acids** are the building blocks of proteins and contain an amino group and a carboxyl group.
- **Alkaloids** are naturally occurring compounds that mostly contain basic nitrogen atoms and often have pharmacological effects.
- **Glycolipids** are lipids with a carbohydrate attached, typically involved in cell recognition.

3. **Analyze Colchicine**:
- Colchicine is derived from the plant Colchicum autumnale and is known for its ability to inhibit mitosis by disrupting microtubule formation. This characteristic is typical of alkaloids.

4. **Conclusion**:
- Based on the analysis, colchicine is classified as an **alkaloid**. It does not fit the definitions of proteins, amino acids, or glycolipids.

5. **Final Answer**:
- Therefore, the correct answer is that colchicine is chemically an **alkaloid**.