NCERT · Class 12 · Biology · Biotechnology: Principles and ProcessesThe Taq polymerase enzyme used in Polymerase Chain Reaction (PCR) is isolated from:
Step-by-Step Solution
Taq polymerase is extracted from a thermophilic bacterium called Thermus aquaticus. This enzyme is thermostable and remains active even at high temperatures required for the denaturation step of PCR.
Detailed Options Breakdown
Option : Thermococcus litoralis
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Biotechnology: Principles and Processes.
Option 1: Thermus aquaticus (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Escherichia coli
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Biotechnology: Principles and Processes.
Option 3: Bacillus thuringiensis
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.