9. What are the main
structures of chloroplasts?

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
Chloroplasts are involved two
membrane layers, outer and the
membranes. Inside the
the formative unit called the granum,
coin-shaped structure that, with
others grana, several structures
called . The thylakoids fill
chloroplast and an
membrane permeates the of the
organelle.