Which component is essential for initiating the Polymerase Chain Reaction (PCR)?
Primers are short sequences of nucleotides essential for initiating DNA synthesis in PCR. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Principles of Inheritance, Molecular Basis of Inheritance and Biotechnology, Topic: Genetics, DNA techniques and applications.