Select the microbe which is the source of 'clot buster' enzyme.

Options

A. Bacterium, Lactobacillus
B. Fungi, Aspergillus niger
C. Fungi, Penicillium notatum
D. Bacterium, Streptococcus

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the microbe that is the source of a 'clot buster' enzyme. Clot buster enzymes are used to dissolve blood clots.

2. **Identifying the Options**: The options provided are:
- A) Bacterium Lactobacillus
- B) Fungi Aspergillus niger
- C) Fungi Penicillium notatum
- D) Bacterium Streptococcus

3. **Recognizing the Clot Buster Enzyme**: The key enzyme referred to as a 'clot buster' is known as streptokinase.

4. **Source of Streptokinase**: Streptokinase is derived from hemolytic bacteria, specifically from the genus Streptococcus.

5. **Conclusion**: Based on the information that streptokinase is produced by Streptococcus, the correct answer to the question is:
- D) Bacterium Streptococcus

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