MDCAT Physics MCQ #410

A patient with a rare genetic disorder has an increased risk of developing cancer due to a specific molecular structure in their DNA. What process is responsible for the energy required to break this structure during DNA repair?

MDCAT Physics MCQ #410

  1. Question 1

    Q1. A patient with a rare genetic disorder has an increased risk of developing cancer due to a specific molecular structure in their DNA. What process is responsible for the energy required to break this structure during DNA repair?

    • A) Spontaneous fission
    • B) Gamma radiation
    • C) Excitation of electrons
    • D) Proton-proton collision

    Answer: Excitation of electrons

    Explanation: Correct: Excitation of electrons provides the energy required for DNA repair. Tempting option C fails because it relies on electron excitation, not nuclear reactions like spontaneous fission or proton-proton collision, which are unrelated.