Chloroplasts

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Questions and Answers

What is the main function of chloroplasts?

  • Break down waste materials
  • Produce cellular energy (correct)
  • Regulate cell division
  • Store genetic information

What is the color of chloroplasts due to?

  • Chlorophyll (correct)
  • Phycobilins
  • Carotenoids
  • Anthocyanins

Where are chloroplasts predominantly found in plant cells?

  • Stem epidermis
  • Root hairs
  • Vascular bundles
  • Mesophyll of leaves (correct)

What is the structure within chloroplasts that contains stacks of thylakoids called grana?

<p>Thylakoid (B)</p> Signup and view all the answers

Which type of plastid is responsible for the coloration of fruits and flowers?

<p>Chromoplasts (B)</p> Signup and view all the answers

What is the molecule that cells use for energy and is produced by chloroplasts?

<p>ATP (D)</p> Signup and view all the answers

What are undifferentiated plastids that could mature into any of the other plastid types?

<p>Proplastids (D)</p> Signup and view all the answers

What is the function of chloroplasts?

<p>Capturing energy from sunlight and converting it into cellular energy (A)</p> Signup and view all the answers

Where does photosynthesis take place within the chloroplast?

<p>In the lumen and membrane of the thylakoid system (C)</p> Signup and view all the answers

What is the function of the stroma in a chloroplast?

<p>Aqueous fluid containing chloroplast DNA, ribosomes, and proteins (D)</p> Signup and view all the answers

What are the disc-shaped structures that contain chlorophyll and are found in stacks called grana?

<p>Thylakoids (B)</p> Signup and view all the answers

Where is chlorophyll located within the chloroplast?

<p>Thylakoids (D)</p> Signup and view all the answers

What is the function of the inner membrane of the chloroplast?

<p>Allowing specificity and direction of molecules passing in and out of the chloroplast (D)</p> Signup and view all the answers

What is the role of the stroma lamellae in a chloroplast?

<p>Connecting the grana to each other for broader light capture and providing structure (B)</p> Signup and view all the answers

What is the source of DNA in chloroplasts?

<p>Chloroplast DNA (cpDNA) (C)</p> Signup and view all the answers

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