In the following paragraph, fill in the blanks using one of the following terms (do not include the comma). NOTE: not all terms are required and some might be used more than once. Spelling must be identical to that shown in the list and no punctuation marks should be included.

calvin cycle, cell, chlorophyll, cristae, cytoplasm, cytosol, endomembrane, golgi apparatus, grana, intermembrane space, lumen, lysosome, matrix, mitochondria, nucleus, ribosome, stomata, stroma, thylakoid membrane

In chloroplasts the electron transport chain is embedded in the . These structures resemble flattened sacs that are stacked on top of each other to form . NADPH and ATP are used in carbohydrate synthesis which takes place in the .