alleryStreptokinase, used as a clot buster in myocardial infarction, is obtained from
AStreptomyces (bacterium)
BAspergillus (fungus)
CSaccharomyces (yeast)
DStreptococcus (bacterium)
Answer & Solution
Correct answer: D. Streptococcus (bacterium)
1. Streptokinase is a bacterial enzyme with clot-dissolving activity.
2. Your syllabus states it is produced by the bacterium Streptococcus (modified by genetic engineering).
3. It is used to dissolve clots in blood vessels of heart attack patients.
4. Streptomyces is different (produces many antibiotics but not streptokinase).
_Source: syllabus Biology, Ch 8 "Microbes in Human Welfare", §8.2.3_
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