In the thylakoids of the grana, light reactions take place and in the stroma , dark reaction takes place. So all in all, in both places together photosynthesis is carried out
There are so many examples for that in different areas, like biology experiment carried out in our lab recently.
Here's one link: https://www.creative-biogene.com/Robust-Tn5-Transposase-EMQZ1422-1271506-26.html
The answer is true letter a
De-extinction is a good idea. Using genetic science for reanimation may help adapt existing ecosystems to extreme changes in the environment, like global warming, and potentially reverse them, writes George Church in Scientific American
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Structure A is used for (4) cell communication. The cell membrance has receptros for cell communcation.
Structure B is used to (1) extract energy from nutrients. The mitochondria is the power house of the cell.
Structure C is used for (1) protein synthesis. The golgi apparatus is where protein is created.