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What can be the risk if lysis incubation is too long?

Answer and explanation

Correct answer: Risk of DNA degradation can increase

Direct answer: Option A, the risk of DNA degradation can increase. Lysis breaks open cells so that DNA is released. During a carefully controlled incubation, chemicals and enzymes help this process. However, if incubation continues for too long, especially at the wrong temperature, pH, or chemical concentration, DNA may be damaged or broken. The reasoning is: cells are opened; DNA becomes exposed; longer exposure to harsh conditions gives damaging enzymes or chemicals more time to act; therefore DNA quality may decrease. Option A is correct because it states this possible risk. Option B is wrong because longer treatment does not always improve DNA; it can reduce purity or integrity. Option C is wrong because lysis incubation does not automatically produce ethanol. Option D is wrong because proteins do not always disappear; many are removed or denatured by later steps. Follow the validated protocol time and conditions. Memory cue: too long is not always better; in DNA isolation, controlled timing protects DNA.

Related tags

Long IncubationDna DegradationProtocol

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