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Why is restriction enzyme supplier information checked?

Answer and explanation

Correct answer: To know buffer temperature methylation sensitivity and heat inactivation

The direct answer is option A: check the supplier information to learn the recommended buffer, temperature, methylation sensitivity, and heat-inactivation conditions. Restriction enzymes are not identical. Each enzyme may work best in a particular buffer and temperature, may be blocked by methylation at certain bases, and may or may not be safely stopped by heating. The supplier’s official datasheet provides these practical details, helping the researcher set up a reliable reaction. Option A is correct because these factors directly affect digestion efficiency and specificity. Option B, enzyme color, is not the main factor for choosing reaction conditions. Option C, DNA smell, is not a valid or safe way to assess DNA. Option D, agar taste, is irrelevant and laboratory materials must never be tasted. The exam cue is: for a restriction enzyme, consult the manufacturer’s protocol before use. Conditions such as DNA amount, incubation time, and star-activity warnings may also be listed and should be followed where applicable.

Related tags

Supplier InformationEnzyme ConditionsMethylation Sensitivity

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