Kinetin, a modified form of adenine was discovered from

Options

A. autoclaved herring sperm DNA
B. coconut milk
C. corn kernel
D. fungus

Answer

To answer the question "Kinetin, a modified form of adenine was discovered from," we will follow these steps:

### Step-by-Step Solution:

1. **Understanding Kinetin**: Kinetin is a type of cytokinin, which is a class of plant hormones that promote cell division and growth. It is a modified form of adenine, which is a purine base found in DNA and RNA.

2. **Identifying the Discoverers**: Kinetin was discovered by scientists Miller and Skoog. It is important to note the names of the scientists associated with this discovery.

3. **Source of Kinetin**: The discovery of kinetin involved a specific source. The modified adenine was derived from autoclaved herring sperm DNA.

4. **Process of Discovery**: The process involved isolating the DNA from herring sperm and then sterilizing it using an autoclave. An autoclave is a device that uses high pressure and steam to sterilize materials.

5. **Conclusion**: Therefore, the correct answer to the question is that kinetin was discovered from autoclaved herring sperm DNA.

### Final Answer:
Kinetin, a modified form of adenine, was discovered from autoclaved herring sperm DNA.

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