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DNA methylation MCQ Questions for Class 11

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3 questions tagged with DNA methylation.

Question 1/3 Easy Biotechnology Processes of Recombinant DNA Technology Cutting of DNA Class 11 Level 48

अगर DNA methylated है तो कुछ restriction enzymes क्यों fail हो सकते हैं?

Why can some restriction enzymes fail if DNA is methylated?

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Correct Answer

A. methylation recognition या cutting रोक सकती हैMethylation can block recognition or cutting

Step 1

Concept

Some enzymes do not cut methylated recognition sites. Therefore methylation sensitivity must be checked.

Step 2

Why this answer is correct

The correct answer is A. methylation recognition या cutting रोक सकती है / Methylation can block recognition or cutting. Some enzymes do not cut methylated recognition sites. Therefore methylation sensitivity must be checked.

Step 3

Exam Tip

कुछ enzymes methylated recognition sites नहीं काटते। इसलिए methylation sensitivity देखना जरूरी है।

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Question 2/3 Easy Biotechnology Processes of Recombinant DNA Technology Cutting of DNA Class 11 Level 46

DNA methylation के कारण restriction digest fail क्यों हो सकता है?

Why can restriction digest fail due to DNA methylation?

Explanation opens after your attempt
Correct Answer

A. methylation enzyme recognition रोक सकती हैMethylation can block enzyme recognition

Step 1

Concept

Some enzymes do not cut methylated recognition sites. Methylation sensitivity should be checked in enzyme choice.

Step 2

Why this answer is correct

The correct answer is A. methylation enzyme recognition रोक सकती है / Methylation can block enzyme recognition. Some enzymes do not cut methylated recognition sites. Methylation sensitivity should be checked in enzyme choice.

Step 3

Exam Tip

कुछ enzymes methylated recognition sites नहीं काटते। Methylation sensitivity enzyme choice में देखनी चाहिए।

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Question 3/3 Easy Biotechnology Processes of Recombinant DNA Technology Cutting of DNA Class 11 Level 45

Restriction digestion में DNA methylation क्या प्रभाव डाल सकती है?

What effect can DNA methylation have in restriction digestion?

Explanation opens after your attempt
Correct Answer

A. enzyme recognition या cutting को प्रभावित कर सकती हैIt can affect enzyme recognition or cutting

Step 1

Concept

Some restriction enzymes do not cut methylated sites. Therefore methylation status can change digestion results.

Step 2

Why this answer is correct

The correct answer is A. enzyme recognition या cutting को प्रभावित कर सकती है / It can affect enzyme recognition or cutting. Some restriction enzymes do not cut methylated sites. Therefore methylation status can change digestion results.

Step 3

Exam Tip

कुछ restriction enzymes methylated sites नहीं काटते। इसलिए methylation status digestion result बदल सकता है।

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