Which two cellular structures work together to synthesize, modify, and transport macromolecules within the cell? A.
chloroplast and mitochondrion
B.
plasma membrane and cytoplasm
C.
endoplasmic reticulum and Golgi apparatus
D.
lysosome and vesicle

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above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.