MDCAT Biology MCQ #240

An electron micrograph of a chloroplast shows a system of interconnected, flattened membrane-bound sacs. What is the name of an individual sac?

MDCAT Biology MCQ #240

  1. Question 1

    Q1. An electron micrograph of a chloroplast shows a system of interconnected, flattened membrane-bound sacs. What is the name of an individual sac?

    • A) Stroma
    • B) Thylakoid
    • C) Granum
    • D) Cristae

    Answer: Thylakoid

    Explanation: Thylakoids are the individual flattened sacs where light reactions occur. Grana are the stacks of these sacs, not the individual sacs.