When Electron Micrographs Were First Taken of the Cell Interior

question 121

Multiple Choice

When electron micrographs were first taken of the cell interior, what kinds of structures were seen?

• A)membrane-bound vesicles of varying diameter, containing material of different electron density
• B)long channels bounded by membranes and radiating through the cytoplasm
• C)an interconnected network of canals
• D)stacks of flattened, membrane-bound sacs called cisternae
• E)all of these are correct

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