Given a scientific question, generate an incorrect answer to the given question. The incorrect answer should be a plausible alternative to the correct answer. The answer should be some other item belonging to the same category as the correct answer but should be incorrect.

Example Input: Which state of matter lacks a fixed volume, fixed shape, and consists of charged particles?
Example Output: electrons

Example Input: What is the connecting piece of a sperm packed with?
Example Output: glucose

Example Input: The challenge of techniques used for proteomic analyses is the difficulty in detecting small quantities of what?
Example Output:
bacteria