MCQBiology

MP Board · Class 12 · Biology · Biotechnology: Principles and ProcessesDuring agarose gel electrophoresis, DNA fragments migrate towards the:

Step-by-Step Solution

DNA fragments are negatively charged molecules due to the phosphate backbone. Therefore, when an electric field is applied across the agarose gel, they migrate towards the positively charged electrode, which is the anode.

Detailed Options Breakdown
Option : Anode (positive electrode) (Correct Answer)

Correct choice. Refer to the step-by-step verified solution guidelines above for details.

Option 1: Cathode (negative electrode)

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Biotechnology: Principles and Processes.

Option 2: Both electrodes equally

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Biotechnology: Principles and Processes.

Option 3: Center of the gel

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Biotechnology: Principles and Processes.

💡 Study Guide: This question tests core syllabus concepts from Biotechnology: Principles and Processes. For formulas, key summaries, and mock exam reference guides, read the full Biotechnology: Principles and Processes Revision Notes.
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