Question

which enzyme is responsible for excision (removing) thymine dimers?
a) active transport
b) (unclear text)
c) (unclear text)
d) exonuclease

Explanation:

Questioning is the cognitive process that drives one to seek explanations, including exploring why things happen (from "why" questions) and how they occur (from "how" questions). Active listening is about receiving information, Information is the data itself, and Explanation is the response to the question - so Questioning is the process behind seeking such explanations.

Answer:

C) Questioning