The 1992 Noble Prize for medicine was awarded to Edmond H. Fischer and Edwin J. Krebs for their work concerning .

Options

A. Reversible protein phosphorylation as a biological regulation mechanism
B. Isolation of the gene for a human disease
C. Human genome project
D. Durg designing involving inhibition of DNA synthesis of the pathogen.

Answer

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks about the reason for the 1992 Nobel Prize in Medicine awarded to Edmond H. Fischer and Edwin J. Krebs.

2. **Analyze the Options**: The options provided are:
- A) Reversible protein phosphorylation as a biological regulation mechanism
- B) Isolation of the gene for a human disease
- C) Human genome project
- D) Drug designing involving inhibition of DNA synthesis of the pathogen

3. **Recall Relevant Information**: It is known that Edmond H. Fischer and Edwin J. Krebs conducted significant research in the field of biochemistry, particularly focusing on protein phosphorylation.

4. **Determine the Correct Option**: Based on the knowledge of their contributions, the correct answer is:
- A) Reversible protein phosphorylation as a biological regulation mechanism.

5. **Explain the Significance**: Their work demonstrated that reversible protein phosphorylation is a crucial mechanism for regulating various biological processes, including cellular and organic functions.

6. **Conclude the Answer**: Therefore, the answer to the question is option A.

**Final Answer**: The 1992 Nobel Prize for Medicine was awarded to Edmond H. Fischer and Edwin J. Krebs for their work concerning reversible protein phosphorylation as a biological regulation mechanism.

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