MDCAT Biology MCQ #648

A researcher analyzing the chemical composition of a prokaryotic cell finds that a specific inorganic compound dominates the mass. What is its percentage?

MDCAT Biology MCQ #648

  1. Question 1

    Q1. A researcher analyzing the chemical composition of a prokaryotic cell finds that a specific inorganic compound dominates the mass. What is its percentage?

    • A) 15%
    • B) 70%
    • C) 90%
    • D) 20%

    Answer: 70%

    Explanation: Bacterial cells consist of 70% water by weight. 90% is the water content found specifically in mammalian brain cells.