MDCAT Biology MCQ #1158

What is the role of DNA ligase in cloning?

MDCAT Biology MCQ #1158

  1. Question 1

    Q1. What is the role of DNA ligase in cloning?

    • A) To cut DNA at specific sites
    • B) To synthesize complementary DNA strands
    • C) To join DNA fragments together
    • D) To degrade unwanted DNA

    Answer: To join DNA fragments together

    Explanation: DNA ligase seals gaps between DNA fragments; it doesn't cut, synthesize, or degrade DNA.