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Question
Which of the following is not a source of restriction endonuclease?
Options
Escherichia coli
Haemophilus influenzae
Bacillus amyloliquefaciens
Entamoeba histolytica
MCQ
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Solution
Entamoeba histolytica
Explanation:
Restriction endonucleases, also called molecular scissors, are enzymes that cut DNA at specific sites. They are primarily sourced from bacteria such as Escherichia coli, Haemophilus influenzae, and Bacillus amyloliquefaciens. However, Entamoeba histolytica is a protozoan and not a source for restriction endonucleases. Thus, it is not a source of these enzymes.
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