MDCAT Biology MCQ #485

A diagram shows the chloroplast divided into different regions. In which semi-fluid substance are the enzymes for the CO2 fixation cycle located?

MDCAT Biology MCQ #485

  1. Question 1

    Q1. A diagram shows the chloroplast divided into different regions. In which semi-fluid substance are the enzymes for the CO2 fixation cycle located?

    • A) Grana
    • B) Thylakoid membrane
    • C) Stroma
    • D) Chloroplast envelope

    Answer: Stroma

    Explanation: The stroma contains the enzymes for the Calvin cycle; grana are the sites for the light-dependent reactions only.